12/12 How long until harvest?

If I leave my plants under a 12/12 cycle with seeds, how long until I can harvest them? I've heard anywhere from 2 months to 5 months.

6 months imo

12/12 from seed will take anywhere form 10-15 weeks depending on Indica/Sativa parentage.

8-12 weeks what strain are you doing? Sativas take a little longer then indicas

utmillionair said:

6 months imo

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24 weeks for 12/12 from seed?!?! WOW! Thats like adding 12 to 16 weeks of veg even tho they were 12/12 from seed. I think you're a little bit off on that.
Even if you actually vegged for 8 WEEKS and then flowered they would be done before six months!

my last harvest was 2 la confidentials 12/12 from seed under a 70w hps,it took exactly 76 days,they were roughly 12 inches high in 1 gallon pots.