Best Weed And Seed

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Looking for the best weed and feed product to remove weed and improve your lawn health? If so, this article is for you. You could save time and energy by using a weed and feed product to fertilize and maintain a beautiful lawn. Read on to learn how weed killers work and see why recommendations for the top weed killers.

The 9 Best Weed and Feed in 2022

Weed and feed can help people to turn this complex gardening work into an easier one by providing all the essential nutrients to the soil. But not all weed and feed are suitable for your lawn.

So which one should you choose? Well, in this article, I have reviewed the 9 best weed and feed that will let you improve your lawn health and make it look much better.

Here is the comparison table covering key features of the 9 best weed and feed products.

Product

Form Quantity Coverage

N-P-K

Liquid 32 ounces 7,500 square feet Granular 14.29 pounds

5,000 square feet

Liquid 32 fluid ounces 6,000 square feet Granular 12 pounds 5,000 square feet Granular 12.5 pounds 5,000 square feet Granular 12.5 pounds 5,000 square feet Granular 13 pounds 5,000 square feet Granular 0.16 ounces 5,000 square feet Liquid 2.5 gallons 1 acre

The Best Weed and Feed for Lawns of 2021

Here is the complete review of all the 9 best weed and feed products.

1. Spectracide 32-Ounce Weed & Feed

  • Dual-action formula
  • Greater coverage
  • Quick flip sprayer
  • Not for all types of weeds
  • Slow results

When it comes to weed and feed, the first name that might come to mind is Spectracide. This brand has been producing top-class products for optimal lawn health. This weed and feed by Spectracide is a worthy product that you should invest your money in because of the ingredients it contains.

It is a ready-to-use spray that requires no mixing, making it an ideal product to use for beginners. The 32-ounce bottle will allow you to cover up to 7,500 square feet of lawn. This greater coverage offered by this product is perfect for both large and small lawns. Furthermore, it uses a dual-action formula to present top-notch results.

The use of 20 percent nitrogen formulation will help you effectively fertilize your lawn. However, if you do not notice any result after applying this product to the weeds within three weeks, try using the spot treatment option. Only apply the Spectracide solution to the area containing tough weed.

The quick flip sprayer is another feature that makes the Spectracide unit much more convenient to use than other models. This sprayer will allow you to begin and stop spraying whenever you want. Within a short period, you can connect the hose and begin using it. With this, you can easily spray it to the desired area whenever you want.

Do not forget to shake the container well before using it. The Spectracide brand also recommends storing this weed and feed unit in a cool and dry area. And please ensure to keep it away from open flame or heat as it can damage the product.

Like other fertilizers, the Spectracide weed and feed also have a few drawbacks. One drawback is that it does not work against all types of weeds. Therefore, if you are going to purchase this Spectracide solution to remove a certain kind of weed, then first, you should check whether it works against such weed or not. However, to get a favorable outcome, make sure to wait for a couple of weeks as this product works a bit slowly.

Overall, the Spectracide Weed and Feed is a must-have product as it is easy to use, effective, and renders a much better outcome than other units.

Overview: The Spectracide solution is for all those who want an easy-to-use and effective weed and feed. Its dual-action formula makes it fertilize the lawn and kill unwanted weed at the same time.

2. Scotts Turf Builder 5,000 Sq. Ft. Weed and Feed

  • Effective performance
  • Weedgrip technology
  • 2X more powerful
  • Do not include a sprayer
  • Expensive

Scotts Turf Builder is a top-performing weed and feed that is popular because of its exceptional performance. It can easily let you control various sorts of tough-to-kill weeds. The Scotts Turf Builder uses Weedgrip technology, which allows you to remove all the hidden weeds in the area effectively.

Apart from the Weedgrip technology, it utilizes a feeding formula that will help you thicken your lawn. Due to this, you will experience a greener lawn within a short duration. Apart from killing a vast range of weeds, this product will also feed common grasses.

You can use this weed and feed formula on ryegrass, centipede, bahiagrass, and fescue for their better growth without any worry. However, you should avoid using the Scotts Turf Builder on St. Augustine and carpet grass as it might damage them.

Also, the Scotts brand does not suggest applying this formula on a few warm-season turfs. Therefore, before applying, you should first know whether this product will support your lawn or not. This weed and feed unit comes in a pack due which you might struggle to apply directly. For applying, you will require buying a separate tool.

Further, the best thing about this Scotts Turf Builder is that you can use it in multiple ways. You can either apply it with a rotary spreader, broadcast, or a drop as per your convenience. If you want this weed and feed formula to give an effective outcome, then try using it evenly on a damp lawn. The Scotts brand also recommends not to apply water on your lawn for 24 hours after application.

Like other top-notch weed and feeds, this product will start showing results within two weeks of applying. This unit is 2x times more powerful compared to the previous formula by Scotts Turf Builder. Whether you want to clear out the clover or dandelions, you can use this Scotts Turf Builder for it.

You can cover around 5,000 square feet with this weed and feed. However, this coverage might be less for bigger lawns, so for that, the Scotts brand offers three variants with this unit. You can choose a pack with 5,000 square feet or 15,000 square feet depending on your needs.

Before applying, the Scotts brand recommends using this weed and feed on the right grass type it has indicated. If it is not compatible with your lawn grass, keep this formula away to prevent any damage to the grass.

Overview: If you want to get rid of more weeds and desire to make your lawn more fertilized, then the Scotts Turf Builder Weed and Feed will be a perfect choice for you.

3. Scotts 32 fl. oz. Liquid Turf Builder

  • Effective against hard-to-control weed
  • Better weed control
  • Easy to use
  • Less quantity
  • Not for a large area of lawns

The liquid turf builder is another best weed and feed unit manufactured by the Scotts brand. It contains all the essential ingredients required for the optimal growth of the lawn.

With this unit, you will receive a 32-fluid-ounce bottle that encourages easy and effective usage. This fertilizer can cover up to 6,000 square feet. The weight of this Scotts bottle is relatively minimal, so you will not struggle to carry it.

This weed and feed spray can help you control a majority of weeds. Whether you want to eliminate oxalis, knotweed, buckhorn, dandelion, spurge, or other broadleaf weeds, this product will help you. While removing these dandelions and clover, you can easily fertilize your lawn. Mostly you will begin noticing results within a few days.

However, some hard-to-control weeds may need a bit longer time. Even you may require reapplying this solution on such stubborn weeds after a few weeks to achieve the desired results.

In terms of usage, you only need to connect the sprayer to the hose. After connecting the hose and the sprayer, make sure to turn on the water and begin using it. Keep in mind that the Scotts Liquid Turf Builder is only for grass lawns. Try not to use it on buffalo grass, dichondra, lipid, or St. Augustine grass.

Also, keep it away from flowers, vegetables, and other plants that you want to save on your lawn. Scott’s liquid turf builder also offers a quick boost of nitrogen to the lawn for favorable growth. It contains some harmful ingredients, so keep it away from kids and animals.

The Scotts brand recommends retaining your pet away for up to 24 hours after applying this solution. It is a strong weed and feed that can harm pets if it is not dry after 24 hours. You should wait until the solution completely dries up so that your pets and kids remain protected.

Remember that both the fertilizer and weed killer is not suitable for your pet. Moreover, as it is a ready-to-go solution, no complicated mixing is required. Based on your grass condition, you can apply this solution every three to six months.

Overview: The Scotts 32-fluid-ounce Liquid Turf Builder is a perfect solution for users looking for a convenient application and strong weed and feeds formula. This powerful solution will even let you get rid of stubborn weeds.

4. BioAdvanced 100532518 Weed and Feed

  • Micro-feed action technology
  • Improves nutrient uptake
  • Kills broadleaf weeds
  • It might not work for carpet grass and St. Augustine
  • Slow working

The BioAdvanced 100532518 is an all-in-one formula that will help you kill weeds, strengthen your lawn, and eliminate crabgrass as well. It is a slow-release 25% granules formula that will nourish your garden and give you a long-lasting outcome.

Using this BioAdvanced weed and feed for spring, eliminating dandelions, crabgrass, and various other grassy weeds will not be a problem for you. It also makes the grass more resistant to heat and drought, which promotes better growth. It gives effective results against fescue, zoysiagrass, ryegrass, and many other grass types.

It employs a unique micro-feed action technology to unlock all the vital nutrients available in the soil. With the help of this technology, you will get more nutritious, resilient roots. It also enhances the nutrient uptake for better nourishment of the lawn.

Besides, the BioAdvanced brand recommends applying this weed and feed formula either with a drop spreader or a rotary. Both the drop spreader and a rotary will support easy utilization.

However, while using a rotary or a drop spreader, you should be careful about the coverage. Try to cover all the affected areas in your land if you wish for a noticeable outcome. Also, make sure to use 2.4 pounds of this formula for every 1,000 square feet of the area for better results. It arrives in a granules formula that you should apply evenly and uniformly so that you do not miss any area of your lawn.

This product is a 12-pound formula that can cover an area of up to 5,000 square feet. As compared to other weed and feed, the BioAdvanced product can deal with a vast range of weeds. It can eliminate over 200 broadleaf lawn weeds, which is impossible with many other weed and feed products. It has various active ingredients that play a vital role in removing weeds and enhancing lawn health.

Because of the active ingredients, ensure to keep your pets away while you apply the BioAdvanced weed and feed. After completely drying the area, it will become safe for people as well as pets.

Before using, you should also read the label so that you can keep your lawn protected. If this BioAdvanced formula is not compatible with your lawn, it can burn the grass, which you will never want.

Therefore, it is recommended to read the label before applying this formula. Also, you can either use the BioAdvanced weed and feed in spring or early fall to observe the desired outcome.

Overview: BioAdvanced 100532518 is an ideal all-in-one solution that arrives with a micro feed action technology for effective performance. It is a potent formula that can eliminate over 200 broadleaf and grassy weeds.

5. Pennington 10053660 Weed & Feed Lawn Fertilizer

  • Promotes thick grass
  • Extended feeding
  • Quick greening
  • Not for floral St. Augustine
  • Expensive

The Pennington 10053660 is a premium weed and feed formula that can kill over 250 different types of broadleaf weeds. You can eradicate henbit, dollar weed, white clover, chickweed, and more with this product.

It is a fast-acting and slow-feeding solution that comes with a greater content of nitrogen. This nitrogen will help you to grow the lush green grass quickly. It also provides an extended feeding to the lawn for an extended period. Whether you want to use it for southern or northern grass, you can utilize it with no worry as it is safe for both.

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Though this product works well on a vast range of grasses, using it on a few warm-season grass types might damage them. However, the brand does not suggest applying this formula on floral St. Augustine. Apart from nitrogen, this weed and feed by Pennington brand provide five percent iron. The prime goal of the iron is to promote dark green coloring on grass.

Another noticeable feature in Pennington 10053660 weed and feed is that it is resealable. You can reseal the pack after every use and begin utilizing it anytime you want. This product can treat 5,000 square feet of area, which is suitable for smaller lawns.

The weed and feed weigh around 12.5 pounds, and you should only apply it between April and June for effective outcomes. For easy application, use it with a spreader as suggested by the brand. This product does not include any spreader, so you will have to purchase it separately.

Read all the directions present on the label so that you can achieve the desired performance. Usually, between April and June, the weeds are actively expanding, due to which the Pennington brand recommends using this weed and feed during that period.

Also, use it to wet the lawn so that the formula works quickly and effectively. Like other weed and feed solutions, Pennington 10053660 formula also has some lawn-type restrictions. Make sure to learn about all these lawn restrictions before applying to avoid burning your grass.

Overview: The Pennington 10053660 Weed and Feed is popular because of its ability to kill over 250 varieties of broadleaf weeds in a short period. It promotes quick greening and extended feeding.

6. BioAdvanced 704840B 3 in 1 Weed and Feed

  • 50% Slow-release formula
  • Long-lasting results
  • Effective results
  • May require a second application
  • Avoid using on zoysia grass

Another top-quality weed and feed by the BioAdvanced brand that will allow you to control numerous weed types is the BioAdvanced 704840B unit. It blocks the growth of weeds for up to six months, which is one reason to buy it.

You will not see any regrowth of crabgrass and grass weeds for a particular period after applying this weed and feed. Not only controlling the growth of weed but also you can utilize this product for strengthening your lawn. It will make your lawn greener and fresher. This unit formula arrives in granules form that weighs 12.5 pounds.

Moreover, it is a 50% slow-release formula that works slowly over an extended time. You can additionally utilize this weed and feed for summer product on St Augustine grass as well as bermudagrass. For better performance, try adding the BioAdvanced Weed and Feed when the weeds are actively growing.

Also, this formula works great when temperatures are between 50-90F. The BioAdvanced brand also suggests mowing the lawn multiple times before applying this formula. Ensure to follow all the precautions provided by the BioAdvanced brand if you want this weed and feed to work effectively on your lawn.

Overview: BioAdvanced 704840B is a well-known 3-in-1 weed and feed solution with a 50% Slow-release formula. It is a high-performing solution that renders quality outcomes.

7. GreenView Weed & Feed

  • Can kill over 250 types of weed
  • Slow-release nitrogen formula
  • MESA nitrogen technology
  • May injure St. Augustine grass
  • Not for carpet grass

If you want to choose a slow-releasing compound resulting in long-lasting results, choose the GreenView weed and feed. The benefit of this slow-releasing feature is that it minimizes the risk of fertilizer burn. It will consistently feed your garden for a longer period.

This GreenView weed and feed includes a 65% nitrogen formula that you can utilize to eliminate over 250 different types of weeds. With this, you can also feed the grass and make it greener. The ideal thing about this GreenView unit is that it usually gives results for up to three months.

Though this best weed and feed for lawns is great, it does not support all types of grass, such as carpet grass, dichondra, and St. Augustine grass. However, using this GreenView formula on fine fescue, tall fescue, bahiagrass, zoysiagrass, etc., will give you exceptional outcomes.

Besides, this formula also performs effectively against ground ivy, chickweed, clover, and dandelion. You can use it to restore nutrients to your soil, and it will further support better water retention, resulting in better strength against drought and heat.

Moreover, this lawn fertilizer and weed killer contains 13 pounds of granules, which allow 5,000 square feet of coverage . Apart from this, the GreenView brand also presents two other options that you can choose according to your garden size. The two other size variants are 7 pounds and 39 pounds granules with a coverage of 2,500 square feet and 15,000 square feet, respectively. By looking at your requirements, you can decide which variant will fulfill your needs.

Furthermore, GreenView suggests that you should only apply this weed and feed solution for better results when weeds are actively growing. You should also use it in a moist lawn as the granules perform better in such conditions.

Unlike other weed and feed formulas, this product employs a unique MESA nitrogen technology. This technology presents a controlled-release nitrogen source for superior performance. This feature will also prevent fertilizer leaching and burning.

Overall, it is an optimal solution for the warm season and cool-season grasses. But if you have carpet grass, dichondra, or St. Augustine grass in your lawn, then you should not choose it as it is not recommended for such grass type.

Overview: The GreenView Weed and Feed is an ideal product that works on both the cool-season grasses and the warm-season grasses. Using this formula, you can kill over 250 weeds within a short time.

8. Jonathan Green 12344 Weed and Feed

  • Can kill 250 different broadleaf weeds
  • 30% slow-release Nitrogen fertilizer
  • Polymer coated technology
  • Not suitable during hot weather
  • Expensive

Although it is a bit expensive, it gives some top notice results for lawn growth and killing unwanted weeds. Jonathan Green weed and feed is an incredible formula that includes 30% slow-release nitrogen fertilizer.

The slow-release nitrogen fertilizer gives a slow and long-lasting outcome. The Jonathan weed and feed also utilize the 3-way action technology to make the weed control simpler. This 3-way action aims at the weed root and makes sure that it does not appear again. You can use it on both small and large weeds for better results.

Besides, this formula comes in a 0.16-ounce pack that provides 5,000 square feet of coverage. This weed and feed solution has a very high coverage compared to other weed and feeds solutions. It is a 2-in-1 formula that will minimize the weed and increase the grass growth. This weed and feed for grass will enhance the grass size and make it look more beautiful.

Further, Jonathan Green guarantees that with the 12344 weed and feed product, you can control around 250 varieties of broadleaf weeds. The Jonathan Green brand recommends not to apply this formula during hot, dry weather.

Applying under such a condition might not give you the outcome that you want. Don’t mow the grass for two days after as well as before the application. Also, utilize the Jonathan Green 12344 weed and feed to moist grass to see the optimal performance.

Overview: The Jonathan Green 12344 weed and feed is a slow-release Nitrogen fertilizer that can control 250 different types of broadleaf weeds. It offers superior weed control with the help of 3-way action features.

9. Gordon’s Liquid Weed & Feed

  • Straightforward to use
  • Wider coverage
  • Pre-mix formula
  • Container is heavy
  • Costly

This weed and feed formula comes in a large 2.5 gallons container. Thanks to the 2.5-gallon container that offers coverage of around 1 acre. The coverage provided by this Gordon unit is higher than all the reviewed weed and feed products.

However, the weight of the container is heavy, which is 25 pounds. It might get tricky for many users to carry Gordon’s Liquid weed and feed. Therefore, you can use a hose-end sprayer to use it conveniently.

Moreover, with this product, you can quickly achieve a lush green lawn. Apart from fertilization, you can also use it to kill major broadleaf weeds quite easily. This best weed and feed for lawns will let you control dandelion, purslane, mallow, plantain, etc.

Besides, you can get rid of a vast range of lawn diseases and control weed growth using this product. However, make sure to thoroughly water your garden one to two days before adding it. Another noteworthy thing is that this weed and feed fertilizer provides complete product instructions on the label. By reading the label, you can learn the working and usage of this unit.

Overview: People who wish to remove weeds on a larger scale can use Gordon’s liquid weed and feed. The large 2.5 gallons container offers coverage of 1 full acre, which is much better.

Buying Guide

Not all weed and feed products are the same. Some of these products are only suitable for a particular type of weed and grass, making it hard for many users to make the right buying choice for their lawn.

Therefore, to assist you, I have included this buying guide related to the weed and feed. Through this buying guide, you will learn what to look for in weed and feed before purchasing.

But before that, let me tell you some amazing advantages of using weed and feed.

  • With the weed and feed products, you can remove a wide variety of unwanted weeds
  • The weed and feed will help you in strengthening your lawn
  • This product further enhances the lawn’s ability to absorb water resulting in healthier lawn growth
  • It will additionally provide essential nutrients to the lawn
  • With the help of a weed and feed product, you can boost the freshness of your lawn

Besides these advantages, the following are the main things to consider.

– Quantity

Do not forget to check the quantity of the weed and feed solution before buying. If you do not want to repeatedly purchase the solution, you can invest in a product with greater capacity that will last longer.

The weed and feed products come in granular and liquid form.

Both the liquid and granular types are readily available in the market. You can either choose the liquid weed and feed or the granular one according to your need.

Comparatively, the liquid form is convenient to apply, and you will observe much faster results with it. On the other hand, a granular form is usually a budget-friendly option. Both the granular and liquid forms differ from one another, but the outcome is quite similar.

– Coverage

The coverage will let you know about how much area the weed and feed can cover without finishing. If you have a large yard to clean, then you must choose a product with greater coverage. If your lawn is small, you can also prefer a less coverage weed and feed solution.

Before buying any weed and feed formula, also check its NPK value. The NPK will let you know the number of nutrients the product contains. NPK represents nitrogen, phosphorus, and potassium available in the product. A product with a 20-10-10 NPK value shows that it has 20% nitrogen and 10% phosphorus, and 10% potassium. Make sure the product has optimal NPK value for better growth of your lawn.

– Types of Grass

Not all weed and feed products are safe for all types of grass. Therefore, before choosing the weed and feed formula, you should first check whether it is compatible with the kind of grass you have or not. Applying the wrong product to your grass can cause damage. Do not apply the weed and feed without knowing the grass type that it supports.

Another thing that you need to look at is the nutrient requirements. Each sort of grass has distinctive nutrient requirements. Ensure that the weed and feed you choose is fulfilling the nutrient requirements of your lawn grass.

– Type of Weed

Many weed and feed products protect your lawn from unwanted weeds. But there is a vast range of weeds available, and not every product will help you get rid of all the weed types.

Therefore, before selecting the product, identify the weeds type present in your lawn.

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Check whether the weed and feed you are going to choose will work against that particular weed in your lawn or not.

Conclusion

I hope you have enough information to make the right buying decision. However, if you are still confused about which weed and feed product you should purchase, you can rely on my top three picks.

The three best weed and feed products that I will suggest you choose are the Spectracide 32-ounce, Scotts Turf Builder 5,000 Sq. Ft. and Scotts 32 fl. oz. Liquid Turf Builder. All these three products are high-performing and easier to use.

The Best Weed and Feeds for a Beautiful Lawn

Amanda Rose Newton holds degrees in Horticulture, Biochemistry, Entomology, and soon a PhD in STEM Education. She is a board-certified entomologist and volunteers for USAIDs Farmer to Farmer program. Currently, she is a professor of Horticulture, an Education Specialist, and pest specialist.

We independently research, test, review, and recommend the best products—learn more about our process. If you buy something through our links, we may earn a commission.

Daniel Watson / Unsplash

A single product that at one application fertilizes your lawn and controls weeds helps you save time and energy when growing and maintaining a beautiful lawn. We reviewed eight varieties of these weed and feed products based on their ease of use, spreadability on your lawn, and their overall value.

Our top pick, Scotts Turf Builder Weed and Feed, stood out from the rest for its ability to extinguish the most notorious weeds, such as dandelions and clover, and its ease in fertilizing at the same time.

Here are our top picks for the best weed and feed products for a beautiful lawn.

Best Overall: Scotts Turf Builder Weed and Feed

Gets rid of hard-to-kill weeds such as dandelions and clover

Good nitrogen source

Covers the size of a basketball court

Works best with Scotts brand spreaders

Not for use on warm-season grasses

Scotts is one of the oldest names in the green industry, developing dozens of innovative products each year. The Turf Builder Plus is a fan favorite due to its effective control of weeds that reseed easily such as dandelion and clover. It includes a healthy dose of nitrogen, expressed in its ratio of nitrogen, phosphorus, and potassium (N-P-K ratio), keeping grass green and growing late into the season.

Like most weed and feeds, you apply Turf Builder Plus when rain is not in the forecast, to ensure it doesn’t wash away (but it is recommended to apply to a wet lawn). Application is a breeze: Simply follow the illustrated, easy-to-read directions on the bag, add to your spreader, and fertilize away. While Turf Builder works on an impressive number of grass types, it isn’t recommended for several warm-season southern grasses such as the ever-popular St. Augustine.

NPK Ratio: 28-0-3︱Type: Slow Release︱Application: Granular

Fertilizers rely on three major nutrients—nitrogen, phosphorous, and potassium (chemical symbol K) —to keep grass in weed-fighting shape. Expressed as product’s N-P-K numbers, they reflect each nutrient’s percentage by weight. So a product with an N-P-K ratio of 28-0-3 would have 28 percent nitrogen, zero percent phosphorus, and 3 percent potassium. Understanding this ratio helps you make the best choice when selecting a weed and feed to help keep your beautiful lawn looking good!

Best Budget: GreenView Weed & Feed

Vast broadleaf weed control

Not commonly found in garden centers

Slower acting than others

Greenleaf might be light on price but it goes heavy on weeds! Boasting control of over 250 broadleaf species, a 13-pound bag should be enough to cover a yard the size of a basketball court. The heavy nitrogen allows for quick green-up without the risk of burning your lawn. The zero-phosphate formula helps prevent runoff into nearby waterways, ensuring you don’t contribute to algal blooms.

The slow-release formula feeds the soil and aids in water retention to help protect from heat and drought during the summer months. Recommended for most grass types, this weed and feed only needs to be used twice a year to guarantee results.

NPK: 27-0-4︱Type: Slow Release︱Application: Granular

Best Splurge: Pennington UltraGreen Weed & Feed

Extended feeding time

Kills over 250 weed varieties

5% iron helps keep grass green

Not for St. Augustine Grass

Pennington features high-quality products and are a staple brand for golf courses and sports stadiums. The UltraGreen weed and feed claims to kill over 250 broadleaf weeds, including dollar weed, clover, and henbit. Both a quick and slow-release formula; it allows grass to green up quickly while slowing releasing nutrients over 3 months.

As with several other brands reviewed, you can use UltraGreen on just about any grass type, northern or southern, with the exception of St. Augustine. Distinctive to the formula, Pennington always offers of a shot of iron, a staple ingredient in constructing green grass. The resealable bag makes it easy to store leftovers, and the coverage size of 5,000 square feet (about the size of a basketball court) makes it useful for just about all lawn sizes.

NPK ratio: 30-0-4︱Type: Slow and quick release︱Application: Granular

Best Organic: Espoma Organic Weed Preventer

Abundant nitrogen for green-up

Easy to use, with clear directions

Works on all grass types

Doesn’t kill existing weeds

Espoma is the oldest organic company in the green industry. This product contains corn gluten meal, a natural source of nitrogen, aiding quick green-up, and which the U.S. Environmental Protection Agency (EPA) has found to lack adverse effects on humans and animals . Application is easy with a spreader, and a 25-pound bag covers up to 1,250 square feet, a fourth of the size of a basketball court.

Applied twice a year, this weed and feed is a preventative, to stop weeds before they emerge. (If you are trying to kill weeds that are already present, this is not the weed and feed for you.) The corn gluten that prevents feeds also feeds the grass, giving it a rich green color and strong roots.

NPK Ratio: 9-0-0︱Type: Slow Release︱Application: Granular

Best Spray: Scotts Liquid Turf Builder with Plus 2 Weed Control Fertilizer

Easy and fun to apply

Goes to work quickly

Large coverage area

Cannot use on St. Augustine Grass

Requires a hose to apply

Scotts Turf Builder comes in a handy liquid form. Great for those with small spaces, you can easily fertilize and control weeds with a single spray. The bottle features a hose attachment, which allows you to cover about a basketball-court-size area from 4,000 square feet (cool-season grasses) to 6,000 square feet (warm-season lawns). It’s fun, too!

Controlling post-emergent weeds including ivy, knotweed, clover, and dandelions, you can use this multiple times a year with just about every grass type. (Once again, owners of St. Augustine Lawns are out of luck.) The spray allows for easy uptake of needed nutrition and serves as a healthy vitamin boost for your grass.

NPK Ratio: 25-0-2︱Type: Quick Release︱Application: Liquid

Best for St. Augustine Grass: Fertilome St. Augustine Weed & Feed

Safe for St Augustine and other warm-season grasses

Offers preventative and post-emergent control

Only covers 2,500 square feet

Not usable on Bermuda grass

Southern homeowners love St. Augustine grass for its hearty ability to stand up to intense heat and high traffic. However, many major weed and feed brands explicitly instruct not to use their products on the Southern classic. Florida brand Fertilome offers a St. Augustine-exclusive blend that serves as both a preventative and post-emergent weed-destroying superhero. In fact, the manufacturer specifies to use this product only on St. Augustine, Zoysia, Centipede, and carpet grass lawns.

You need to apply this product only once, in early spring, and the slow-release formula continues to feed the rest of the season. This product only covers up to 2,500 square feet (half a basketball court), half the coverage offered by the other brands tested.

NPK Ratio: 15-0-4︱Type: Slow Release︱Application: Granular

Best Weed Preventive: Preen One LawnCare Weed & Feed

Kills up to 250 types of weeds

Covers 5,000 square feet

Not for use on St. Augustine grass

For a post-emergent weed world, Preen One is our top choice for banishing them quickly. It also works as a pre-emergent, making sure developing seeds from existing weeds do not make their appearance again next season. Controlling over 250 weeds, including clover and dandelions, it also feeds your lawn for up to 2 months. The manufacturer also claims the product kills other common lawn weeds, including dandelions, chickweed, thistle and clover, and prevents crabgrass and its cousins from coming back.

As a feeder, the product contains slow-release nitrogen for steady nutrition. Homeowners living near waterways can feel confident of using this zero-phosphate formula without worrying about runoff. While this product is not to be used on Southern grasses, such as St. Augustine and colonial bentgrass, it can be used for other, common warm-season grasses such as Bermuda and Zoysiagrass, You can purchase Preen One in three sizes: 9-, 18-, and 36-pound bags, which can cover areas from half a basketball court to just under an Olympic swimming pool.

NPK Ratio: 24-0-6︱Type: Slow︱Application: Granular

Best for Cool Season: GreenView Fairway Formula Spring Fertilizer Weed & Feed with Crabgrass Preventer

Kills over 200 types of weeds

Has both quick and slow release nutrients

Covers 15,000 square feet

Should not be used on new lawns

Crabgrass is the bane of many homeowners because it disrupts a lawn’s smooth texture. Most prevalent in cooler-season grasses, it can be near impossible to get rid of once it settles in. This product’s slow-and-quick- release formula knocks out crabgrass, as well as 200 other weeds; the manufacturer claims its proprietary formula kills dandelions and seedling crabgrass at the same time. As a feeder, its nutrients slowly release over a 3-month period, providing lasting nutrition for established lawns.

The spring lawn-care product is a pre-emergent, meaning it is designed to prevent crabgrass and other undesirables from growing. However, it is not meant for use on freshly planted lawns, as it is likely to burn new growth. Also, this product is not available for sale in Alaska, Hawaii, and California. And, it was hard to track down due to issues with shipping it to certain states, so bear that in mind as you plan your search.

NPK Ratio: 24-0-6︱Type: Quick and Slow Release︱Application: Granular

Scotts Turf Builder is our pick for Best Overall Weed and Feed. Not only does it suppress 250 species, but it is also easy to use, and works on just about every grass type. For a product that busts weeds but not your budget, we recommend GreenView Weed & Feed for its heavy nitrogen content, allowing for quick green-up.

What to Look for in a Weed and Feed

Before buying any fertilizer product, keep in mind these important considerations to make sure you buy the best to suit your grass type, climate, and timeline.

N-P-K Ratio

All fertilizers, including those with added herbicide, rely on the three big nutrient needs to keep grass in weed fighting shape. Nitrogen, Phosphorous, and Potassium are generally listed front and center on any fertilizer bag you pick up, with the percentages of package weight listed clearly. Understanding what each one does helps you make the best choice when selecting a week and feed to help keep your plants healthy while enlisting a weed suppressant for assistance.

  • Nitrogen, listed first, is the most important for overall growth. It promotes healthy leaf development and is responsible for the bright green we love to see in lawns. A shot of nitrogen helps take away the stress endured from competing with weed species.
  • Phosphorous, the second listed number, is responsible for developing healthy roots. Most lawns tend to be deficient in phosphorus, and grass is not a notorious heavy phosphorous feeder. Fertilizers containing phosphorus are not permitted for lawns near waterways or in a county with a fertilizer ban during the rainy season. Phosphorus deficiency shows up as reduced vigorous or slowed growth ; a quick soil test can let you know if your lawn is phosphorus deficient.
  • Potassium, also known as potash, helps roots dive deeper into the soil, allowing grass to increasingly resist stressors such as heat, drought, and weeds. While nitrogen allows for quick growth, it is necessary to encourage those roots to stretch out and not become reliant on a quick fix from a heavy nitrogen source. It also gives weeds less space to take over.

Application Type

Fertilizers and weed and feeds are sold in slow-release and quick-release formats. Liquid weed and feeds are always quick-release, meaning they are water-soluble; plants can take them in a short time, generally within a month. Non-soluble slow-release weed and feeds are sold in a granular, polymer-coated format. As the product breaks down, it slowly releases nutrients, which the plant can take up as needed. This also allows for fewer applications, as slow-release products can take 3 months to fully break down. This also helps prevent the likelihood of burning plants through too much nitrogen fed too quickly. Many weed and feed products mix both slow and quick release, working quickly on weed suppression while slowly feeding the plant. This helps increase the overall rigor, which decreases the likelihood of opportunistic weeds from elbowing in.

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Grass Type

The United States is divided into many gardening zones, based on climate. Grass suited to North Dakota likely cannot handle the intense heat of Florida summers. To keep it simple, grass is defined as cool-season Northern (like Kentucky bluegrass) or Southern (like St. Augustine). Identifying turf grass can be challenging but it is essential for making sure you select an. appropriate weed and feed. If not, the herbicide component may kill turf grass. Manufacturers must list the types of grass best suited to each product, so be sure to consult first before you use.

If you believe your lawn comprises multiple types of turf grass, always err on the side of caution and select based on cool- or warm-season grasses.

The basic premise of a weed and feed is to include a herbicide and nutrition in one shot. When lawns are healthy, weeds have less opportunity to outperform your grass. Generally, the herbicide is 2, 4-D or Dicamba, which are in amounts designed to target weeds but not the surrounding grass.

Pre-emergent weed and feeds concentrate on getting weeds before they appear. Most noxious weeds produce numerous seeds, which pre-emergents help make sure never make it to adulthood. Consider a post-emergent when weeds are already problematic.

For best results, apply a weed and feed at the start of growing season, when grass is no longer dormant and weeds are getting ready to pop. Depending on where you reside, that could be late March or early April. Weed control is all about strategy, and timing is at the heart of it. Plan on fertilizing and using a pre-emergent in early spring, and follow up later with a post-emergent, as needed.

For most fertilizers and weed and feeds, wait at least 48 hours before watering. This window leaves enough time for the herbicide to make its way into the weeds, leaving less residue to potentially wash off. Pre-emergent weed and feeds are less finicky, allowing you to get away with 24 hours. If possible, try to time your application so rain doesn’t spoil weed-preventative plans.

Be sure not to overwater! This can cause the herbicide to wash away along with all the nutrition you just added.

Why Trust the Spruce?

This article was written by Amanda Rose Newton, a freelance writer and Garden Reviewer for The Spruce. As an entomologist and certified horticulture professional, she delights in personally testing out the products (and manages to convince a few Northern friends to test a few, too).

To make this list, Amanda Rose used each product on equal-size swatches of lawn, following manufacturer instructions. At the end of a 3-week period, she noted grass color, weed presence, and vigor. She also factored additional measures, such as cost and ease of use, into her decisions.

The Spruce uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy.

The Best Weed Killers for Your Lawn for 2022

Wondering how to choose the best weed killer for your lawn? Read on to learn how weed killers work, how to apply these products, and our recommendations for the top weed killers.

If your lawn is getting out of control with weeds, hand pulling them just isn’t going to cut it. Sure, you can tug out a few by the root, but it may be difficult and time-consuming to do that for your entire yard. That’s where weed killers come in, often the best method for lawn weed control.

There are tons of lawn weed killers on the market, so it may be difficult to choose the exact right one for your lawn. The This Old House Reviews Team has rounded up the top weed killers for 2022—and how to choose them. For extensive weed control and lawn care, we recommend considering a lawn company like TruGreen.

Identifying Weeds

Before you can choose the proper weed killer, you’ll have to determine exactly what type of weed you’re dealing with. Different weed types require different treatments—what’s effective for one may do little or no damage to another.

There are three main categories of weeds: broadleaf, grassy, and grass-like.

1. Broadleaf weeds

These weeds have broad, flat leaves, so it’s unlikely you’ll mistake them for grass. They thrive in soil that’s lacking key nutrients, and they come in different types—annual, biennial, and perennial, so different broadleaf weed varieties require different chemicals depending on their life cycle.

Examples of broadleaf weeds include dandelions, ground ivy, clover, chickweed, dollarweed, thistle, and oxalis.

2. Grassy weeds

Grassy weeds have leaves that look like grass blades, and they grow one at a time. Examples of grassy weeks include crabgrass, quackgrass, goosegrass, and foxtail.

3. Grass-like weeds

This weed type resembles grass, but its leaves are more tube-like and triangular than flat. Examples of grass-like weeks include garlic, nutsedge, and wild onion.

How Weed Killers Work

Weed killers work by using chemicals that kill the weed or prevent its growth. There are a variety of different herbicide types to treat weeds at different stages of their life cycle—or before they even sprout. Here are the main characteristics to consider when choosing your specific weed killer.

Pre- or post-emergent

Pre-emergent weed killers target weed seedlings before they get a chance to sprout. If weeds have already popped up, this type won’t help. Post-emergent weed killers are designed to eradicate weeds in their active growing season. You apply post-emergent weed killers directly to the plants’ leaves.

Selective or non-selective

This aspect is critical. Selective weed killers eliminate weeds without harming beneficial plants nearby, while non-selective herbicides will damage all nearby plants, even if they’re beneficial.

Systemic or topical

Systemic weed killers attack the entire plant, including the roots. Topical herbicides, on the other hand, only kill the areas where the weed killer is applied.

Persistent or non-persistent

Persistent weed killers stay active after you apply them to prevent future weeds. Non-persistent weed killers don’t offer ongoing weed control.

How to Apply Weed Killer

Even if you select the right weed killer, applying it incorrectly can make your efforts fruitless, and the wrong application can cause complications.

Many weed killers need to be diluted with water and put in a spray bottle. The product’s label will explain precisely how much water and weed killer you’ll need to combine. Some weed killers, however, come in granular form. Solid weed killers must be applied with a spreader.

When applying weed killer, timing is everything. You don’t want to apply weed killer immediately after mowing your lawn since that could harm your tender grass. The same goes for fertilizer. In both cases, wait several days before applying weed killer.

The weather also plays a role in when to apply weed killer. Applying weed killer when it’s too hot can stress your grass, and applying it right too soon before it rains means it can wash away before it gets absorbed.

The 3 Best Weed Killers

Here are the top three best weed killers for 2022.

Compare-N-Save

This powerful, fast-acting weed killer battles the exterior part of the weeds it contacts as well as the root systems. It kills stubborn weeds very efficiently, and spraying weeds selectively will ensure your lawn stays intact.

Preen Garden Weed Preventer

This pre-emergent, selective weed killer offers residual effects, with ingredients remaining active in the soil for three months after application. Preen prevents nearly 30 broadleaf weed varieties without hurting nearby plants.

Scotts Turf Builder Weed & Feed

Scotts’ most powerful weed and feed thickens grass while crowding out weeds. It’s especially effective against dandelions and clover. The company offers a satisfaction guarantee, promising your money back if you aren’t satisfied with your results.

Top Recommended Professional Lawn Care Company: TruGreen

If you’re battling stubborn weeds or confused about what weed killer is best, it may be time to call in the experts. The This Old House Reviews Team’s top selection for lawn care, TruGreen, offers both pre and post-emergent weed control.

The specialists at TruGreen can create a custom-made plan to restore your lawn to its former health and make sure it can compete against future weeds. The lawn care company offers five annual plans with varying levels of coverage in every state except for Alaska and Hawaii.

*First application. See quote for terms and conditions.

How to Prevent Weeds

When it comes to tackling weeds, the best defense is a good offense. You should always take these steps to keep your grass hardy and robust, reducing the chances of weeds taking over.

  • Water deeply and infrequently—If you want your grass to have strong, deep roots, you need to water deeply and infrequently instead of choosing shallow, daily watering. With deep, sturdy roots, your grass can grow nice and thick and compete with weeds that may try to grow.
  • Mow high—Weeds need sunlight to grow. If you let your grass blades grow taller by setting your lawn mower to the first or second highest setting, the grass will grow tall enough to cast shade on any weed seeds, preventing them from sprouting.
  • Feed regularly—Stressed lawns are more susceptible to being crowded by weeds. Feeding regularly will keep your lawn lush and make it less hospitable to enterprising weeds.

Our Rating Methodology

To provide readers with the most objective, accurate, and detailed recommendations, the This Old House Reviews Team continually researches lawn care service companies on the market. We take the following steps to obtain up-to-date information about the industry and each company we review:

  • Analyze more than 100 customer reviews from third-party review sites, such as Yelp, the Better Business Bureau (BBB), and Google Reviews, for each company
  • Secret-shop for lawn care plans and packages to get a sense of cost, offered services, and the overall shopping experience for prospective customers
  • Speak with representatives on the phone to simulate the customer service experience from each provider
  • Update information on a regular basis to ensure the most accurate information when plans or services change with each company

We use the data from our research to build an in-depth rating system that allows us to score lawn care providers on a 100-point scale. Here are the factors in our evaluation and their designated scores:

  • Plan options (30): As one of the most important factors for homeowners shopping for a lawn care service, this one is weighted heavily based on each company’s lawn coverage. Companies that offer more options, such as irrigation, weed control, seeding, and aeration services in addition to a general plan, score higher than others.
  • Trustworthiness (30): Each company’s reputation is another significant factor for homeowners to consider before signing up for a plan. We scored providers based on their BBB score, accreditation, and offered guarantees available with each purchase.
  • Additional Benefits (20): We gave extra points to companies that provide a few additional services and benefits with their offered plans, such as organic treatments, pest control services, and a mobile app for digital communication and plan management.
  • Customer Service (10): In this rating category, we awarded points to customer-focused lawn care service providers who offer weekend availability and easy communication through phones, online chats, and online resources.
  • Availability (10): We also scored companies based on their overall availability, rewarding those that are nationally available over local companies only operating in select cities or ZIP codes.

To share feedback or ask a question about this article, send a note to our Reviews Team at [email protected].

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