i have the same problem with one of mine im doin 4 at the min two of them are massive sativa looking plants took 3 weeks for them to show sex one of them still has no buds the others are short little indicas nice fat buds on it ive hacked a little of the indicas and the weed was fantastic stickey as anything and it got me stoned cant wait till there done stuff will be rocket fuel trust me if you get a half decent indica clone the fuck out of it it is a fucker to grow but the weed o my god the weed is mmmmmmmmmmmmmmmmmmmmm