How to Clone Marijuana Plants

How to Clone Marijuana Plants

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Cloning your marijuana plant - You can't clone a human, but you can sure clone a plant. It's not a complicated process to clone a plant and it doesn't have to be. Today we're going to take you on an in-depth guide on how to clone a plant.

cloning is a process in which you reproduce a plant with the same genetic make-up as its parent plant, from which you took it's DNA. In simpler words, you are growing the same plant twice just at different times. There are a variety of reasons why someone may decide to clone a plant rather than plant a new seed.

People often see merit in re-creating a harvest of their best performing plants. Why not? Assuming you found a plant who's product you really enjoyed, cloning it to have more of it's exact replica only make sense. Moreover, you are recreating it's yield, flavor, bud characteristics and growing time. Not to mention, cloning a plant is ultimately cheaper than buying new seeds and saves you time and effort by nixing the germination process. Yes, by foregoing the germinating and seedling stage of the plant, you are saving about two weeks. That is not to say using seeds does not have its own unique advantages. Under the right environmental and grow conditions, it is entirely possible to have a completely self-sufficient garden. Imagine re-creating the phenotype of your best plant for as many harvests as you want without ever having to buy new seeds.

Two plant reproduction types

Sexual - Possibly the most common to occur in nature without human intervention. Sexual reproduction occurs when a female plant is cross pollinated with a male plant to create seeds. With human intervention, having control over the pollination process allows you to create your desired hybrids. This is how most hybrids came to be.

Asexual - typically the method referred to when talking about cloning. A clone is born when a portion of a plant is cut and planted to grow roots of it's own. Thus, giving it exact characteristics of its parent plant. The asexual reproduction method is popular for both large and small scale operations. When you have optimized your cloning process, your garden will be both cost-effective and self-sustaining.

As we mentioned earlier, asexual cloning is a process where cuttings, taken from the crop you wish to clone, are re-planted. Thus, allowing it to grow roots and become it's own entity. Usually cuttings are taken from sturdy lower branches of its mother. Before beginning the cutting process. You'll want to take the time to cover a few necessary precautions that should be taken to ensure a successful cloning process.

Thinking about cleanliness is key. That is to say, before tinkering with your crops, always keep in mind you should be working in a sterile environment with sterile tools. We do this to mitigate any risks of agitating our plants and the cuttings with contaminates and mishandling.

Avoid fertilizing your plants in the days leading up to the cloning process. By doing so you, you will encourage an excess of nitrogen to the plant's extremities. Having a healthy amount of nitrogen in your cuttings will instruct the clone to focus its energy towards growing vegetation rather than rooting.

Find a parent crop with healthy characteristics. Keep in mind it's strength, resilience, general health and progression into its vegetation cycle. For best results use a plant at least two months into its vegetation cycle. Otherwise, three weeks should be the minimum before you take your first cut.

properly clipped marijuana stem

Take healthy cuttings from the mother plant. As we stated before, you will want to look for healthy and sturdy lower branches to plant. Depending on your rooting medium, you will want the cuttings to fit comfortable in their new home. For example, if you're using rockwool, the diameter of the insertion hole should be the same as the diameter of the sample stem. Otherwise, we suggest an 8-10" cut of a stem with a good amount of nodes.

Cut as close as you can to the parent's main stem, using a clean razor, at a 45° angle. It is good practice to ensure your clone's main stem is as sturdy as possible. As well, increasing the stem diameter for the clone allows it to have better rooting space and ensures a healthy grow.

Use clean water. Unfortunately, tap water won't do. Just like during your germination process, we want to avoid exposing a vulnerable plant to contaminates. Ensure the water is rich with the nutrients your plant needs. Once you have your cuttings, you're going to place them into water to prevent air bubbles in the stem. Do this relatively quickly, so air doesn't block water from being absorbed into the stem. After all, water is where your clone will begin to root. Note, some growers make multiple cuts into the stem before placing it into water. The reasoning dictates it promotes root growth.

clipping in mineral free water

Remove extra leaves from the cuttings. Once your cuttings have been placed in water, use scissors to clip off fan leaves. This will encourage photosynthesis to take place as well as creating a clean environment for the clipping's rooting to occur. Work your way from halfway down the clone's stem. Make sure there aren't any extra leaves towards the bottom of the stem that may interfere with the growing medium. For sanitary reasons, it's good to keep the growing medium as undisturbed by extra foliage as possible. As well, manicuring will better assist your clones in absorbing nutrients.

Once the rooting stage has begun, you may want to consider using a growing hormone to promote healthier and faster root growth. There are many options available. Gels, powders and other hormone variants are usually available for purchase at local gardening or hydroponic retailers. If you decide to take this route, it will only require giving the clone a quick dip before it rests in its final rooting medium.

Choosing a rooting medium

We believe non-soil rooting methods are the best choice for a rooting medium. For example,

rockwool cubes provide favorable conditions for a clone to develop in for their airflow properties and ability to retain moisture. Rockwool cubes or similar products can be found online or at gardening stores.

clones growing in rockwool cubes

If you decide to root in soil, make sure the soil you use does not have an abundance of nutrients. It's also important not to over or under water the soil before transplanting your clone into it.

Rooting in water is the simplest form of a rooting medium. It does not require the use of rooting hormones or any sophisticated practice. Simply leave your clipping in water until they begin to develop roots.

an auto-cloner is an automated system designed to provide your clones with the appropriate and humidity for their growing stages. Auto-cloners take much of the guessing work out for you but can be large and expensive depending on your needs.

Each method has its benefits and downfalls. It's best to experiment take notes and decide which method works for your preferences. In any case, allow your clones at least 18hrs of light and humidity.

Transplanting the clone

Once you see vegetation begin to grow on your clones you will know it is time to transplant. All that is required is to move the clone into a larger growing space.It's important to take care and to be sanitary anytime you are working with transplanting crops. Transplant shock occurs when a plant has been agitated. It's usually due to unsanitary transplanting methods. It is a common occurrence so allow yourself the time and resource to create a safe transplanting environment.


Cloning your plants isn't an overly difficult process and doesn't require a lot of technical skill. There are many reasons why one might opt into cloning plants. It's efficient, easy and it saves time and money. Cloning is a great way to develop a self-sufficient garden and it allows you to recreate a good harvest over and over again. We hope you found this article on how to clone a plant helpful and informative. Be sure to practice good cloning practice and hone your skill over time. Happy growing.