After that, the small Cannabis plant starts to produce serrated leaves, not the characteristic digitated leaves, only single serrated leaflets. This is how the seedling stage begins: when the seed opens, the first pair of small round leaves that appear, are called “cotyledons”.
Light/Photoperiod: 18 hours of light / 6 hours of darkness.Low light intensity, blue spectrum preferred.Cannabis seedsįactors that lead to the healthy growth of Cannabis seedlings Don’t leave the seeds in the water much longer, as the seed needs to breathe and they could drown and die. If they sink, it’s probably because they are viable and full of life, ready to germinate.
You can improve your germination chances by placing the seeds in a glass of water for no more than 12 hours if they float, they are probably not viable, although they may germinate anyway. When it’s time for germination, move your seed out, at room temperature. Keep your seeds in a dark, cold place, such as the refrigerator in a plastic bag to better preserve them. If it feels weak or is white or light green, it’s probably an undeveloped seed that won’t produce a healthy plant. A viable seed looks brown with some stripes, is dry, and feels hard. This is how the life of a Cannabis plant begins. Learn all about the growth stages of the cannabis “weed” plant. Each of these stages has its own environmental and nutritional needs, even different photoperiods. Cannabis growth is divided into seed germination, seedling, vegetative, and flowering stages.
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