Its the lights, they are all nice green looking. Yea im just anxious to see how many females i got, and i want these plants to be done by the beginning of May so i cant let them get to big. They are a good enough size to me, I think i get a good bit from them. 8 In all so if all 8 are fem [which i doubt but hope] ill have a lot, im just pressed for space also, leaves are starting to cover eachother