marijuana horticulture: the indoor/outdoor medical grower's bible pdf

It is only legal to purchase seeds in states which have legalized cannabis for recreational or medicinal purposes. You will need to have a medical marijuana card if you want to purchase cannabis seeds for medicinal purposes. Some seed banks based outside of the United States sell cannabis seeds for “souvenir purposes only.” However, it is illegal to bring seeds into the U.S., either directly or via the postal service. Customs will confiscate your cannabis seeds, so don’t waste your money.

Did you know that GG4 originally came from a hermaphrodite plant? Also known as a ‘Hermie,’ a hermaphrodite plant develops both male and female flowers. Gorilla Glue #4 is more sensitive to hermaphroditism than other strains, which means you must take special precautions. For instance, you must do your best to eliminate all forms of stress during the flowering stage. GG4 is especially sensitive to hermaphroditism, so special precautions must be taken to avoid producing plants with pollen sacs. This means pruning and staking the Gorilla Glue #4 plants during the vegetative stage.

It is also imperative that you maintain ideal environmental conditions in your growing space. This means perfect hygiene, constant monitoring of your timers, and regular checks for mites and insects. If you have a female GG4 plant, it is still possible for it to grow pollen sacs. If you uncover sacs, spray down the plant with water to contain the pollen, and move it into an isolated grow area to finish the flowering process. If you do this correctly, your plant can still make it to harvest and not produce seeds. If you fail to do anything about the pollen sacs, your entire crop could be ruined. Gorilla Glue #4 will perform well with a Screen of Green (SCROG) type grow because these plants grow rapidly enough to fill your garden space. This is a Low-Stress Training (LST) technique that involves the use of a screen. Rather than tying the plant down as you would with classic LST, you wait for it to grow through the screen. Because of its rapid growth rate, Gorilla Glue #4 is a good candidate for a Screen of Green (SCROG) grow. After the branches begin growing through, tuck them back into the screen. In essence, you are ‘weaving’ the branches around the screen. At flowering time, you have a garden capable of producing lots of colas. SCROG helps ensure all the plant’s buds have the chance to get enough sunlight. This will help the plant to produce several large and potent buds per plant. Hydroponic growing is an excellent option for those looking to grow GG4. This is a technique that involves the use of an inert growing medium. Although soil is the classic growing medium, it is filled with disadvantages. For instance, you have to monitor soil pH constantly. Also, the quality of the soil dictates whether the final product is any good. In general, even a basic hydroponics system needs specific equipment to be an effective growing medium.

For example, you will need a grow table, an air pump, an inert growing media like Rockwool, a reservoir tank, large buckets for each plant, a drip line, and plastic tubing. When you utilize hydroponics, your GG4 plants can grow at tremendous speed. As a result, you have to remain diligent with regards to pruning.

Gorilla Glue’s flowering time of 8-9 weeks is fairly standard.

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