Just the genetic makeup of the plant I have some that look just like that but some are full of bud meat. Your look heathly tho. Sun light lots of sun light
Yea you put them out early what state are you in I got a room full iv havent put out yet about 4 ft tall I started in feb. They will be fine and start back into veg possibility of one maby going herm but in all they should be fine