[jmystro]

Cannabis plants can reach sexual maturity at 4-5 weeks old. Doesn’t mean you’ll ever see flowers in a month. The transition to flower time is 100% dependent on the photoperiod/s it was crossed with. After a plant has reached sexual maturity it will still take several weeks to begin showing early bud sets.

[thedottiegman]

sometimes the website you get the seeds from will tell you also but of course thats no guarantee, help give a new grower like myself an idea of when itll happen though

[ohigrow]

I’ve had a few at 7+ weeks before flowering. Most have fallen in the 3-5 week range.

[wrath420]

Most Autoflower plants Start to flower around day 28-35 but some can take longer up to 42-49 days and some may start around day 21 like the Triks triangle Kush Autoflower from Twenty/20 Mendocino seeds

[flowerpower]

I give em 6 weeks to start. If they don’t flower by then, I flip to 12 12 and see if they flower in the next 2 weeks. Kinda throws off your schedule when growing autos, but I have had photos pop up. Plant size increases, nutes, water, and time also.