PotCassoanswered grow question 3 years ago Yes, when you flip to a 12/12 flower light cycle. That is day one of flower.
If it says 9 weeks strain let it go 10 weeks and start to scope on day 65 all cloudy to 20% amber and cut her down. In the end the plant is the boss.
All breeder info is also subject to your environmentals and style of growing.
Cheat code: You can use a forcing agent in the end winter frost or ripen to be sure.