late blooming

I'm currently growing 4 LSD by Barneys Farm and one bagseed (I think it's something cheese). LSD has reached Day 40 and the Unknown about Day 50. The Problem with the Unknown is that it came from the outside, in my indoor flowering tent because it was too cold outside ... But the plant wasn't...

Hi I'm new at this growing and having a hard time getting help. I have 4 Early Miss going into week 10. 2 have fair buds, not very tall. The other 2 just keep growing and just starting to pre-flower. They look completely different. I changed light from 18/6 to 12/12 as some have suggested...