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At what point do autoflowers stop growing? mine is at 1.4m now, week 8. Sativa, Super Lemon Haze Auto. I was assuming by the time its already flowering it would stop growing taller, but this plant just keeps going!!
When a plant starts flowering is the time it grows the most vigorously, this is known as the pre-flower stretch.
Week 8 auto makes me think you're ~4 weeks veg + 4 weeks into flower, so imo your stretch is probably coming close to an end your buds will start to fatten up over the next few weeks.
week 8... 95% you have a photoperiod at this point. shit happens. they either mispackaged or some unanticipated pollen contaminated their autoflower breeding area.
change to 12/12 or 13/11 and it'll flower. uninterrupted darkness is the key with photoperiods. if you provide that, all is well.
Don't change the light times. To autos it means nothing but less. Environmental conditions can be slowing down the progress. With being a sativa other is gonna run a longer grow cycle. I have had autos hit 18 weeks. Tampering with light schedule is a inexperienced auto grower answer.
Yeah im with growstick hit it with 12 and 12 you might have to tie this gal down make sure you do it gently and gradually or throw her outside if you can might be a 15 ft er if she hits dirt outside.
It sounds like you have a failed auto that's gone to photoperiod. Try inducing flower by putting her in complete darkness for 48 hours, or swapping to a 12/12 light schedule.