Time to flower

[JCD]

Hi all, I bought seeds and the seller says 10 weeks to flower. What does this means? What If I let the plant go 2 more weeks? What if I change light cycle to 12/12 before the 10 weeks? Thanls for answering if you know. Cheers! JC

[Toker1]

Autos Or photoperiod?
waiting too long can make the final product feel sleepy, or miss the harvest window and it will degrade the THC. Usually 2 weeks late is not an issue, but you really have to judge by the color of the oil inside the trics.

[vostok]

Hi all, I bought seeds and the seller says 10 weeks to flower. What does this means? What If I let the plant go 2 more weeks? What if I change light cycle to 12/12 before the 10 weeks? Thanls for answering if you know. Cheers! JC

From the moment (say 4 weeks veg at 18/6 hours per day, then flip 12x12) for the next 10 weeks to harvest any longer then the THC (trics)
will decay go amber then brown often ending in a headache to the toker
change the light to 12x12 cycle before 10 weeks you get a smaller plant

memorize this:

Summary: Tips & Hints

Here are some general rules about harvesting marijuana based on trichomes and the color of the hairs / pistils. If you follow these rules, you’ll know how to harvest weed perfectly every time!

1. If white “hairs” are almost all sticking straight out and trichomes are all still translucent (clear) then your plant is too young and not ready for harvest. Harvesting now will result in low yield and non-potent harvests.
2. The beginning of the harvest window opens when your plant has mostly stopped growing new white “hairs” or pistils and at least 40% of the white hairs have darkened and curled in.
3. The highest level of THC is when many/most of the trichomes have turned milky white / cloudy (when viewed under a magnifier). Trichomes that are milky have the highest levels of THC are “ready to harvest” and contribute to more euphoric and psychoactive effects. At this point, 50-70% of the pistils have darkened.
4. Some Sativa & Haze strains have trichomes that never really turn amber. If they’ve turned mostly white and don’t seem to be progressing further, it may be time to harvest!
5. The most “couchlock” or sedating effect happens towards the end of the pot harvest window, when the trichomes have become a darker color (usually amber/gold). The best results from amber trichomes come from indica strains. The amber/yellow trichomes contribute to a ‘body high’. Some of the THC has converted into less psychoactive CBN, which has calming and anti-anxiety effects. With some strains, the trichomes will even turn red or purple! I like to harvest around when 20% have turned amber. At this point 70-90% of the pistils have darkened. Harvesting later will increase the sedating effects, but may also start reducing the psychoactive effects.
6. When trichomes start looking grey or withered, the harvest window has passed, and buds will make you sleepy without many psychoactive effects. Usually it takes several weeks (4 or more) from the beginning of the harvest window for this to happen. It’s much easier to harvest too early than too late!

https://www.growweedeasy.com/harvest#summary

[JCD]

OK thanks to both of you for replying! I learned something!