Indoor Mutant Zamaldelica

One Sativa Lover, trying to make 3 Zamaldelica happy growing in a tent... By now, I can tell Plant 1 is different and not only because she is a week older. 2 & 3 would be similar. In the picture, they are kindly bending over in the light direction, but these young plants are already receiving a LOT of light... same amount as blooming mature plants, 600w hps half of day and 240w qb in a small grow box the other half... ...Instead of showing *praying leaves* to avoid direct exposure, they reach for it like sunflowers!!! By now, I expected side branches to grow taller on plant 1 but they only grew about half an inch this week (8 days). Not sure how to deal with her and the 2 sisters that stays short. I hate SCROGing. It result in popcorn buds. And I don't want her to grow too large, I only have 4x4, for 3 Zamaldelica. Maybe I'll have to flip early because of her. I still don't know what to do with her. She looks like a stretcher. (Thai dominant maybe if I am lucky)