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germinating cannabis seeds in a propagator

Place one sheet of damp kitchen towel on a flat surface. Space your seeds a few centimetres apart before placing the second piece of kitchen towel over the top. You need to ensure both pieces are damp, not wet. Once again, when the white root tips reach 2–3mm, move the seeds (carefully) to soil pots. Use the same guidance found above for planting techniques.

Two or three weeks after germination, your young seedlings should be ready for their new home. At this point you have two options; transplanting them into soil pots, or taking on the challenge of hydroponics. You’ll know when the seedlings are ready to be moved because the root system should start to poke out of the bottom of the wool blocks. As long as the roots haven’t begun to engulf the bottom half of the wool block, they will seek out water and nutrients in their new surroundings and continue to grow downwards.

Regardless of where you get your seeds from, it is best to give them a slight (and delicate) inspection before planting. Most of the time, all seeds will germinate; however, poor-quality seeds will produce a weaker plant. Unfortunately, that is something you will not find out until well into the vegetative and flowering stages.

GLASS OF WATER APPROACH

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Probably one of the most common methods of germination. The kitchen towel method comes in several iterations. Some growers use cotton wool pads or absorbent pieces of paper. For this guide, we will be using kitchen towel as it is readily available and holds moisture relatively well.

Your growing pots will need to be placed in a damp climate that is within the temperature range listed under our golden rules. After 4–10 days, you should see a young seedling sprout, while the roots will have begun to develop underneath the soil. The entire plant and its soil can now be transferred to a larger pot, where normal growing routines should start.

Timescales can vary, as it all depends on how ideal your germination environment is (see the golden rules above). Even the worst grower could make a seed germinate, but it may take a few weeks and, of course, increases the risk of a weaker plant.

No matter if you have a large cannabis growing operation or are an amateur just beginning your first seedlings, making use of propagators is a great way to control growing conditions and speed up your seed germination. A propagator allows you to take full control of your growing conditions, allowing you to germinate and grow your seeds and seedlings in a safe, moist and warm environment to give them an optimum chance of becoming healthy and high yielding plants.

Any propagators can be used to grow cannabis, as they come standardised with a thermometer and built in LED Lights. They can either be powered by batteries or electricity, and allow you to control the environment within the container. Seedlings can sprout up to 30% faster when you use a propagator and the environment is much safer as you can fully control the heat and moisture content, and you cannabis seeds will also be less susceptible to damage by insects or disease. Seedlings can be kept in the propagators until they sprout their first set of leaves. This ensures that they will get a good start and grow into healthy, high yielding plants.

Using a cannabis propagator