
Thatoneguyyouknow_
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Yea, but they have to be fully mature plants that would likely already be well into flowering in nature by that age, if not long rotted to fuel the next generation. Most cannabis plants grown naturally will be on into flowering by the time the days have hits just under 14 hours.I had this happen several years ago with a Chemdog x Brutis OG cross and I've been using this to flower overwinter moms for the past couple years, mostly indicas in San Diego North County 32nd parallel.
Works like a charm. Ya know I haven't tried it with my true sativa hemp plants but seriously 15 hrs to 13 will prompt most plants.
Its not the hour count that triggers this species to flower, it's the act of the daylight hours diminishing, them not being the same as they were yesterday or the day before. It's kind of hard to explain what i mean by that and how the two things are actually different, so ill give an example.
If you have a nice pure indica and do it right, you can get it to flower at like 16-17 hours of daylight no prob. Start it at 20/4 until you have preflowers, then every few days click one tick on the daylight hours away at the timer, and note when it starts flowering.
Even a land race sativa will flower by 13-14hrs if you do this properly. Its just hugely inconvenient and buds stack indoors better with the abrupt shift. so nobody does that. And if you mess up you can suffer consequences. The actual number of daylight hours are largely irrelevant to anything besides manufacturing enough sugars through photosynthesis to be useful.
I think i explained that right.
Im way off from my initial point now. Which i think was weaning plants from LED to natural sunlight is a must to avoid consequences, and drawing a distinction as to when the hour count transition will actually matter. If you are pre-sexually mature plants it does not lol.
On a side note i have had some interesting things happen when ive put clone mothers out in a greenhouse to flower once its into jan/feb and dylight hours are very rapidly increasing. ive had plants try to reveg on me before daylight hours have even hit 13. Same plants that would be actively flowering long before that hr count grown naturally. Id get harvestable bud. but it can indeed get wonky sometimes. Its not the hour counts that are important, its how transitions are being made. Much like plants under a nice cozy, low output high par LED getting thrown out under a nuclear blast furnace, how your transitions are implemented is they key there.
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