Tip of the week – germinating marijuana seeds

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Tip of the week – germinating marijuana seeds

The moment the seed knows it is time to open up is when it gets moist. Using clean water for those very first moments of its life is crucial, as the seedling is extremely fragile and sensitive.

Tip of the week – germinating marijuana seeds

Good start is already half of the success – make sure your cannabis seeds get enough moisture and warmth, while protecting them from light.

The moment the seed knows it is time to open up is when it gets moist. Using clean water for those very first moments of its life is crucial, as the seedling is extremely fragile and sensitive. If you are about to use tap water, make sure it has a neutral pH. Little bit of chlorination that can usually be found in the municipal water is fine – it helps kill the bad guys that could otherwise attack your seedling. If you are worried that the water is of poor quality, use bottled water. If you are afraid to drink it yourself, plants probably won't like it either. Uncarbonated, low-mineral bottled water would work just great.

Now put your marijuana seeds in a glass filled with room temperature water. Let them get the moisture – it must soften the outer shell and get inside. Leave them overnight in a dark, warm place (18-26 C / 65-80 F) and every now and then stir them slightly, so that they are fully covered in water. Don't worry if some of the seeds decide to flow on the surface – that is absolutely normal.

In less than 2 days the seeds should start opening – you will see they get swollen and a discreet creak appears on the outer shell. You should remove the seeds from the glass once the first root begins to come out. At this moment the seed is ready to be planted. Be extremely careful and keep in mind that the whole thing is very stressful for your seedlings – early roots easily get damaged, both mechanically and by light exposure.

Prepare your medium properly – it should be loose and light, allowing for good drainage, free of pests, weeds and with a balanced, medium pH. A blend of moss with perlite or vermiculite works great. These could be bought separately or as a ready, specialised seed mix.

Once your cannabis seeds are ready for planting, put them approximately 1 cm (¼ – ½ inch) deep. The initial pots should not be smaller than 10 cm (4 inches), to allow enough place for the roots to develop. Make sure they have drainage holes at the bottom, preventing the soil from getting too wet. Keeping the right moisture can be tricky at the beginning. Too damp, and your plants will drown or rot – too dry and it could inhibit growth. However, high humidity (above 60%) is required for proper germination and is essential for successful first stage.

To keep the moisture at the desired level, you might cover your marijuana seedlings with a clear plastic cover. Now put the tray under specialised, gardening lights with „cold” light. The temperature in the propagator should not fall below 20 degrees C (67 F) nor rise aboce 25 C (78 F).

Once you see the first „real” marijuana leaves fully developed, a time has come to remove the cover. For the coming weeks the humidity levels should, however, still be kept at or slightly above 60%. This is also a moment when you should start using fertilizers, beginning with a quarter of a recommended dose for adult plants. Vegetative nutrients as well as rooting agents are of crucial importance at this early stage.