have you been training or topping them? generally speaking the best time to flower is when the plant is sexually mature, that means leaves are alternating along the stem instead of growing opposite each other at a node. usually it takes 6-8 weeks for that to happen.
emmpey Reviewed by emmpey on . when to flower power plant for best yeild Ive been told to veg till they are 15" high to get the best yield i have around 180cm height space so it shouldnt be a prob they are currently around 6" and very bushy and a little over 2 weeks from seed. can anyone advise on how big to veg before i flower i want to try and get 4 oz a plant they are under a 400w hps. cheers Rating: 5