Quote Originally Posted by sirruler
my last crop grew very tall with lots of foliage at the top and nothing underneath and i am about to start a new crop from seed.
I really want to avoid having a tall crop again and was wondering how i could keep them small and bushy this time around?
I only have HPS 400w and 600w lights but will also soon have a 250w to start the grow but i dont understand what causes them to grow like rockets? hoping someone might have some good tips. thanks
Aloha, Sirruler

Good choice of words there.
Tips is the key word.
Cut them off.
Off with their heads!

Or FIM.
Or, LST.
Or espalier.
Or, add supplemental blue light.
Or, change the photoperiod

Or, read the stickys.

Seriously, my friend, everything you need to know about keeping a plant manageable is available to you right here, for free.
All you have to do is dig a little.

If you have any specific questions, that are not answeed in the stickies, don't hesitate to ask.

Regards,
Weezard