i used the Exact same lighting as you 24/0 for 3 weeks, 18/6 for 1 week, and vegged 3 plants in 18oz party cups 12-14"tall
after turning to 12/12 and sexing i had 2 females. Could be luck.
Flowered them for 4 weeks in a 1x4x4 box. 1 turned out amazing at 3 1/2 feet tall, the other was a bit...