Featured Image Credit: High Times
This is the final stage of cannabis growth. All the previous work keeping the plant healthy and structurally sound pays dividends here as the plants begin to produce their buds. All males need to be removed at this point, otherwise, fertilization will occur and the females will lose a fair amount of yield and quality.
Those pistils will begin developing larger and larger and become darker in color. This is also when the odor from the plant becomes very apparent, so a good filtration system is a must at this point for indoor growth.
Flowering is triggered by the light cycle shifting to 12 hours on and off, so the timing of it will vary from growing to grow but this generally begins around week 13 of a grow.
It can last anywhere from 3-16 weeks, so knowledge of the particular strain being used is crucial here.
The plants also wilt when they’re thirsty and perk up after being watered.
Bonus Marijuana Time Lapse Videos
Seedling & Vegetative Stage
Young plant burned by Pyrethrum while lights are on & recovery
While we don’t fully understand the mechanism behind this movement, some scientists speculate that it was developed as a way for the plant to “explore” and find the best direction to grow, since even though plants are rooted, the difference of even a couple of inches can make a huge difference in the survival of the plants.
This time-lapse video spans 7 days
Choose your grow type…
I sprayed Dr. Doom on this young plant to try to combat spider mites. Plant is under a 42w CFL. The main apex was also burned which stopped growing but eventually a new one formed off center. New leaves sprouted just above the cotyledons as well. Don’t spray pyrethrum-based products with any grow lights still on! Pyrethrum is an ingredient in certain insecticides. In this case it came from Dr. Doom. Pyrethrum is very photoreactive so because it was sprayed with the lights on it created a bad situation on the plant as you can see. It almost appears to burn it. The growth was very gnarly for awhile afterwards!
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