Do you have some weeds that seem to come back no matter what? You might need to fight them with fire. A small propane torch can be effective at spot-removing weeds in stone patios, driveways, or sidewalks.
You can get concrete or asphalt crack sealant at most hardware stores. Sealing cracks takes an hour or two, depending on how many you want to seal, and then a day for the seals to dry. Once you have your cracks sealed up, you have that much less space for weeds to invade.
Use a Small Propane Torch
It’s a simple weed-removal method – just light them on fire. The heat should reduce the entire plant to the roots. However, it’s important to follow fire-safety guidelines with this method. Watch out for dry grass or sparks. You want to remove weeds, not burn down your house! This method is best used only for weeding in the middle of concrete slabs or patios, not in your yard or garden.
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How to Prevent Weeds from Growing Back
Instead of leaving some of the plant buried between the slabs, the V-notch weeder is able to fit in the crack and pull everything out. You can weed more quickly and successfully remove more weeds whole.
If you have weeds growing in your driveway, you should first eliminate them. Assuming they are growing in small cracks, however, you probably won’t be able to pull them up entirely – not without breaking them in half, at least. Therefore, it’s recommended that you use an herbicide to kill them.
The only downside to using boiling water is that it may cause serious burns if you accidentally spill it on yourself. So, if you plan on using boiling water, carefully pour it over the crack to minimize the risk of injury. You may even want to wear gloves when handling a pot of boiling water for this very reason.
Homemade Vinegar Herbicide
In addition to lawns and flowerbeds, weeds can also appear in small cracks in the driveway or sidewalk. So, what’s the best way to prevent weeds from appearing in these cracks?
To seal cracks and crevices in your driveway, pick up some cement filler at your local home improvement store. Most major home improvement stores sell this filler for about $7 to $10 per tube, which is a small price to pay for protecting your driveway from weeds. After the cement filler has hardened, it will form a solid barrier to protect your driveway from the intrusion of weeds.
Grasses and weeds growing out of pavement cracks in sidewalks, driveways, and patios is a common annoyance. Sometimes it seems as though these unwanted plants grow even better in tiny pavement crevices than they do in the lawn and garden. This defies all logic since pavement surfaces are brutally hot and dry places where you might think that nothing could survive. But not only do these tenacious grasses and weeds survive, they alsoseem to positively thrive in this no man’s land of blistering hot pavement.
When to Kill Pavement Weeds
The Spruce / Jayme Burrows
Before Getting Started
You can stay on top of weed control by devoting a bit of time to the job each week. Many homeowners like to conclude weekly mowing or garden work with a few minutes spent plucking or killing the weeds sprouting out the pavement cracks around the landscape.