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The most reliable way to determine harvest time is to check the colour of the tiny, mushroom-like trichomes on your buds. For this, you’ll need a loupe or a microscope. Take a good look!
This is usually done when growing hydroponically. Soak the rockwool blocks in low-pH water and place them in a plastic tray with a lid. Place your seeds in the hole of each rockwool block. Seeds should germinate in a few days. Place the rockwool blocks with your seedlings in their soil pots when roots start to come out the bottom.
Especially when growing indoors, not having proper ventilation can lead to a host of maladies, including mould. For small grows, a simple standing fan blowing a mild breeze across your plants can be enough, whereas larger grow operations require sufficient outfitting to ensure air is constantly flowing and doesn’t become stagnant.
HOW TO TELL WHEN TO HARVEST
Don’t use dirt from your garden or any other soils of questionable quality, including old, reused soils from your previous grows. These may contain contaminants such as fungi or pests. Good-quality potting soils from trusted brands don’t come with these risks.
Recommended pot sizes:
For this reason, growers must provide the right amount of light for their plants. Too little, and the growth and yields of your plants will suffer. Too much, and photoperiod strains won’t flower (plus, your energy bill will spike if you’re growing indoors).
A common reason for heat stress is when your grow lights are too close to the plant canopy. If you spot signs of light burn, such as curled, wilted, and brown leaves at the top of your plant, move your lights further away.
As interest in CBD as a medicine has grown, many breeders have crossed high-CBD hemp with cannabis. These strains have little or no THC, 1:1 ratios of THC and CBD, or some have a high-THC content along with significant amounts of CBD (3% or more).
Cannabis can be either male or female—also called “dioecious”—but only females produce the buds we all know and love. For reproduction, males have pollen sacs and pollinate females, causing female flowers to produce seeds.
What are high-CBD cannabis seeds?
Germinating cannabis seeds doesn’t always go as planned. Some seeds will be duds. Others will be slow and take longer to sprout. But some will pop quickly and grow rapidly.
Seeds for these varieties are now widely available online and through dispensaries. It should be noted, however, that any plant grown from these seeds is not guaranteed to produce high levels of CBD, as it takes many years to create a seed line that produces consistent results. A grower looking to produce cannabis with a certain THC to CBD ratio will need to grow from a tested and proven clone or seed.
Males will have round balls—these will develop into pollen sacs, which will release pollen into the air when mature.