How long 12/12 before flowering?

By mistake i planted a non-auto and it is growing great. My autos are harvested but this one just keeps on growing (outdoors). I’ve made a blackbox to create 12/12, but how long before she should start showing signs of flowering?

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I would guess anywhere from a few days to 2 weeks until they are in full flower. You should start seeing pistils in 5-7 days from 12/12 flip.

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My outdoor plant has already started flowering, so I would assume yours will be real soon without the box.

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Congrats Dexterado, but where I live we still only have 5-6 hours of darkness at this time of year. So a blackbox i necessary.
I worry I will stress the girl as I sometimes are away and do not use the box and sometimes she does not get her full 12/12.
Well, I’ve already harvested two very small autos so I’m good until next season. If this one pays off I’ll be set for a long time! Also, I got four of my own feminized Haze Auto seeds growing. The seeds are from the same plant but boy are they different. One excellent plant, one barely OK, one pretty bad and one that I should throw away (had I not been so greedy). These seeds are more than five years old but all sprouted and real quick to!

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Mine have been 7- 10 days until pistils started showing

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