If you don't mind wasting time (or 'practicing' lol) on males, as soon as the plant is strong enough to put a bit of yarn around without damage and has given you a few adult nodes to work with. Around the 6th adult node is just fine.
stinkyattic Reviewed by stinkyattic on . best time to start LST? Hey guys i'm on about day 20 veg of my indoor grow, when da best time to start LST? Any help appreciated, Peace, Denial Rating: 5