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growing marijuana for seeds

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6) In a few days, seeds will sprout. Once the germinating cannabis seeds have sprouted and each seed’s white rootlet is visible, use tweezers to carefully pick up the fragile, germinated seeds and plant them. Do not wait for the white rootlets to grow more than 0.25 inches (1 cm) before planting, or growth could slow. Plant each germinated seed with the white root tip pointing downward. Take care not to expose the tender rootlet to prolonged light and air. Cover germinated seeds with 0.25 to 0.5 inches (1-2 cm) of fine, moist planting medium.

Some seeds have a very hard outer shell (testa) and are difficult to germinate. Such testy cases can be softened or scarified to allow water to penetrate. To scarify, line a matchbox with a piece of fine-grain sandpaper or emery board. Put the seeds in the matchbox and shake for 10 to 15 seconds. Remove the seeds and make sure they have been scuffed a bit. Just a little scuffing will allow water to enter and set germination in motion.

Other Tips for Germinating Cannabis Seeds

3) Shake matchbox for 10 to 15 seconds to scarify the seeds.

2) Close seeds inside the matchbox.

1) Soak seeds overnight in a glass of plain water. They may float on the surface at first but should sink to the bottom in a few minutes. Make sure seeds get good and wet so that water penetrates the outer shell and growth is activated. Do not let seeds soak for more than 24 hours, or they might get too wet, suffer oxygen deprivation and subsequently rot.

Cannabis is generally an easy plant to grow, but this doesn’t mean that mistakes don’t happen. As a matter of fact, even experienced growers get things wrong from time to time. But, by learning about common growing mistakes and how to avoid them, you can look forward to plenty of fat buds waiting for you at harvest time.

The thing is, weed isn’t just weed. There are big differences in growing characteristics among different cannabis seeds. An indica autoflower will certainly behave differently than a picky photoperiod sativa. Some strains may be suitable to grow in a colder climate, while others may require a hot, sunny environment. Some strains may need lots of nutrients, while others require only light feeding. You get the idea.

1. NOT KNOWING WHAT YOU ARE GROWING

Heat stress can lead to growing problems both indoors and out.

As an alternative to plastic pots, you can also use fabric pots (smart pots) or air pots. If you want to learn more about the different pots used to grow cannabis, check our article on the subject.

Without light, weed plants die extremely quickly. They depend on light to create vital carbohydrates, which are required as an energy source. As photons hit their leaves, small organelles known as chloroplasts convert light into energy-rich sugars.