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seeding marijuana transplant


Transplanting your cannabis is a super important moment: not only for the plant to grow strong, but also to identify any type of problem in its roots. After all, not all problems occur above ground, and transplanting gives you the unique opportunity to see under the surface of the soil. In addition, we can use this process to track the growth and heath of our beloved plant.

Although many people think that the size of the plant matters, in fact, what we must take into account when transplanting is the development of the roots of that plant. It is essential that we do this process as carefully as possible so as not to stress our baby plant!

Do you want to know more about this subject? Here, we will explain a little about its importance and show you a step by step so that, when the time comes, you know how to do everything the right way.

Why transplant?

As we mentioned above, transplanting is an essential step in the cultivation rocess. for you to know the stage of development in which the plant is, to control its size and its rooting, in addition to knowing more about its health. After all, below is just as important as above! If the roots have problems, you will want to resolve them as soon as possible so as not to compromise your plant!

Our main tips right now are:

It is important to guarantee that the pot is ready to receive the new plant

Start small: sprout your seed and put it in a small place first, like a plastic cup or mini vase.

Do not use clear glasses! Light can compromise its roots and put work to waste.

Are you going to put the plant in a plastic cup? Drill holes in the base before transplanting, so that no roots get stuck or go through any damage or stress and also to allow for water to drain from the bottom.

Some growers recommend some transplants until you leave your plant in the final pot – and it’s worth remembering that the final pot should be one big enough for you to put the plant in bloom. With some transplants, you will have a better chance of closely monitoring the development and health of your roots. But it is necessary to know how to measure: repeating the process can often stress the plant! Once or twice may be enough.

Smaller containers are also a good way to start. After germination, use a small pot. This will help in the development of the roots and decrease the chances of you watering too much and throwing a waterfall of water on your little plant. (Yes, we already killed some seeds by throwing too much water, don’t do that migues)

To find out if you should transplant, tap the side of the container/ vase to loosen the soil/roots from the walls. Turn slowly and feel with your hands if the plant loosens itself in a square filled with roots, or if the earth starts to disintegrate.If the roots of the plant hold the medium, it is the right time! If the soil loosens, it means that it does not yet have enough roots to be transplanted to a bigger pot.

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Use the biodynamic calendar! Flower days are the ideas for transplanting. We have approximately six flower days per month. Mark them on your private calendar to do this – and to defoliate as needed.

Another important reason to transplant is to enable the growth of your plant – or even stop it. For those who grow indoors, it is best to stop transplanting when the plant height is good for your growth. Increasing the contact surface and root space allows for continuous growth, and when planting in the soil, cannabis can reach many incredible meters!

Be mindful of when transplanting

To transplant, you have to have a very healthy soil to feed and nourish your plant. It is important that, at this time, you check your medium. If it contains undesirable insects, fungi or even problems in the structure, you can solve all this before the transplant happens (soon, we will talk about pest control – so stay tuned here!).

It’s also time to look closely at what your plant’s roots say:

Brownish or greenish and sticky roots, as if they had slime, are indicative of problems.

You also need to be careful with some types of nematodes and other root feeders like aphids. This type of worm feeds on the plant’s roots, and can compromise its growth and cause disease. They are like little white worms, but make no mistake: these dangerous little creatures remove the cellular content of the root, preventing the absorption of water and nutrients by the plants.

To get rid of bad nematodes, think about getting good beneficial nematodes for your crop. Some nematodes can even help to get rid of fungus gnats and some other infestations. We recommend you some deeper research about it

Tips For Transplanting Success

Planting and transplanting your plants is an important cultivation aspect. When done correctly, proper transplanting will enhance your operation and maximize yield and revenue. Your plants will thrive without delay. Here are our best tips and practices for transplanting your clones into their new home.

First, we recommend that you transplant your clones immediately after purchase to get the best results. Dark Heart sells cannabis in three different configurations: seedlings, clones and teens. Each stage has its own unique requirements.

Seedlings, clones, and teens – what’s the difference?


Dark Heart Nursery germinates seedlings in biodegradable grow coons filled with a peat-based blend. Seedlings differ from clones in that they grow their own taproot. The taproot is the little white tendril that pops out of the seed as the very first root. The taproot will get longer and longer until it pushes the seed through the surface of your growing medium and the first leaves will start to grow. This will reduce the risk of the transplanting process.

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Clones are cuts from a mother plant that have recently grown roots— you’ll see them protruding from the rockwool cube. Dark Heart Nursery grows two types of clones: heartlets and premiums. Premiums are more mature clones at 6 inches tall. Heartlets are slightly smaller at 4.5 inches tall. Both are grown from the same stock with the same guaranteed genetics. Clones are versatile and work across all growing mediums.


Teens are mature clones that are about 3-4 weeks old and range from 18-24 inches tall. They’re almost adults but not ready to flower quite yet. Teens have already been growing in a one gallon pot and are well established. They offer high value for cultivators because of their reduced vegetative period.

Benefits of purchasing teens:

  • Reduce your veg time
  • Grow bigger plants fast
  • Try out new strains
  • Fill space later in the growing season
  • Maximize harvests for year round growing

Our top tips for a successful transplant

Inspect your plants for pests

Dark Heart Nursery uses Integrated Pest Management ( IPM ) to prevent, detect and resolve any problems early on. Instead of overly relying on chemicals, we focus on preventative measures over extermination. This saves our customers time and money, ensures that your product passes compliance tests, and results in the highest yield at harvest.

If you purchase seedlings, clones or teens from another company, it’s a good habit to do an inspection before bringing them into contact with any other cannabis plants. If you find a problem, quarantine your plant right away.

Signs you have pests:

  • Small specks
  • Bite marks
  • White spots or fuzzy patches
  • Yellow spots
  • Blistered looking leaves
  • Wet looking leaves
Mind your roots

A healthy root system results in perky, vibrant green leaves and new apex growth. If your clones become rootbound (when the roots have wrapped around inside the pot), the roots will tangle and stunt your cannabis growth.

Signs that your clone is rootbound:

  • Needs frequent watering
  • Stunted growth
  • Wilting leaves
  • Stretching
  • Smaller and slower bud production
  • Red stems
Time your transplant

A healthy and successful grow operation relies on timing your transplant correctly. Transplanting cannabis plants should only be done one or two times during the entire growth cycle of that plant. The perfect time to move the clone or seedling into a one gallon pot or larger is when the roots fill the original container but have not become rootbound yet.

If you transplant too early, the roots may not be strong enough and can easily be damaged. If you transplant too late, the plant’s growth will slow down. Rootbound plants will lose their vigor due to micro deficiencies, dehydration and other problems— reducing your yield at harvest.

Always transplant your cannabis plant before it enters the flowering stage so the roots have space for rapid growth.

Prepare your soil ahead of time

Quality soil is one of the most important factors in growing healthy cannabis. First, choose your soil conditioners that you want mixed in. Cultivators may use sand, rock gravel, perlite or vermiculite. Often soil media will require preparation like soaking or conditioning. For example, coco peat soil needs to be soaked and then broken up. You can also buy pre-mixed coco coir substrates that are easy to work with. You may also choose to include fertilizer or other additives for pH buffering. Remember, the more sand in the soil, the better the drainage; the better the drainage, the more watering is needed.

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Since our clones are grown in rockwool, all you have to do is make a hole big enough to accommodate the rockwool. Check the moisture level of your soil every day to ensure it is moist but not saturated with water.

Use the right container size

Our seedlings, clones, and teens can be transplanted into a larger container early on. Keep in mind that they won’t grow as fast for a few days or weeks due to low oxygen intake. Wait longer between waterings and make sure you are wetting the roots and surrounding area.

After your plant has grown a couple sets of leaves, you can begin watering normally, with the water draining out of the bottom of the pot. If growing in containers, make sure the plant has room for its roots during the first month of flower. This period is critical due to the plant stretching and preparing for flower onset. If there isn’t adequate space, your plant will become rootbound and this will seriously decrease your yield. If the root system can’t grow under the soil, then buds and leaves can’t grow above the soil.

Select the best watering processes

Before you transplant, water the clone and then wait one or two days before taking it out of its original container. Once transplanted, be sure to water your clone with distilled water immediately otherwise the soil may leach water from your plant’s roots.

Choose a watering method that mimics rain, like watering wands or sprinkler type watering cans. Don’t use a hose as this may compact the soil. Hoses also make it too easy to overwater and can remove nutrients from the soil. Lightly mist the leaves and stems.

Avoid transplant shock

Every time you transplant a seedling or clone, it will stress the plant as it adjusts to its new surroundings. If you make a mistake, like damaging the roots or using poor soil mix, your plant can go into shock. The leaves will yellow and wither, and ultimately die and drop off. In a serious case of shock, the whole plant can die from the trauma.

Overall, transplanting your clones into the right pot size is very beneficial. It helps speed up the maturing process while reducing the amount of hands-on care for you, the grower. Transplanting will have a very positive effect on the quality of your harvest and will maximize revenue from your Dark Heart Nursery crop.