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how to grow a weed plant from a stem

Be sure to work in a sterile environment. Use gloves and disinfect razors and scissors.

If you don’t want to mess with seeds, clones can be a great option for starting a marijuana plant. Growing weed from a clone will save you time—even though they need time to root out, you don’t have to germinate seeds, which will shave off a month or so of the growing process.

Check under each leaf and also check the soil medium, as some pests live there. Certain pests can also leave markers—spider mites leave spots and webbing, and other insects can leave trace bite marks.

How to take a cutting from a cannabis plant

Most clones will be ready to transplant into soil in 10-14 days, but some root out quicker, and some longer. You’ll know they’re ready when the white roots are an inch or two in length.

There is some speculation that clones can degrade over time based on environment stressors and other factors, but that is open to debate.

Why clone cannabis plants?

It’s almost impossible to detect harmful pesticides or fungicides on a clone. Often, these applications leave zero residue and can stay on a plant for the rest of the plant’s life. If you see any suspicious residue on a clone, ask the grower about their in-house integrated pest management (IPM) and always err on the side of caution.

After your clones have been properly cleaned and transplanted into their new medium, make sure to keep them quarantined for a few days to a week. Doing this will protect the rest of your garden if they do develop problems, and you’ll be able to pull them out easily.

Semi-hardwood cuttings are tougher and more mature. They're usually taken from midsummer to fall. Shrubs such as camellia and honeysuckle often root well from semi-hardwood cuttings.

Many perennials, shrubs, and herbs can grow roots from their snipped stems. Use this easy propagation technique to economically expand your plantings.

Good drainage is key so choose a container with drainage holes where excess water can trickle out.

Containers for potting up the cuttings

Before you start snipping, make sure you have everything you need to grow a new plant. Don't just grab a pair of scissors; be ready to apply rooting hormone ($5, The Home Depot) and pot your new cuttings right away.

Most stem cuttings can be rooted anytime that plants are actively growing. Coleus and geranium, for example, are actively growing year-round (except where winters are freezing). Take cuttings from these annuals whenever you want to make more of them.

When to Make Cuttings

A mix formulated for seed starting is often an easy-to-find product that works well for cuttings, too.

Plants naturally produce a hormone called auxin that helps roots to grow. Synthetic forms of auxin are sold as “rooting hormone” at garden centers. Usually, a dry power, rooting hormone is worth the small investment because it will increase the success of your cuttings.

Instead of trimming a plant and throwing away the debris, make mindful cuts and create new plants from the mother plant. Growing from stem cuttings is easy if you know the right steps to take care of cuttings. With enough water and humidity, stem cuttings can create new pots of favorite plants that can add to a personal collection or be given away to friends and family.

Growing new plants from cuttings is easy, fun, and costs next to nothing. Just clip a length of stem and watch the roots grow.

Prepare nursery containers by filling small pots or cell packs with premoistened soilless medium. Potting soil and regular potting mix hold too much moisture. Select healthy, nonflowering stems from the mother plant for cuttings. Use a clean, sharp knife to cut a 3- to 4-inch shoot below a leaf node (the spot where a leaf emerges from a stem as shown). Cut off the bottom leaves of the shoot and snip off any flowers or buds. This prompts the plant to use its energy for rooting rather than growing leaves or flowers.

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