by Jorge Cervantes
Male Pre-Flowering
Male pre-flowers are normally visible when plants are six to eight weeks old, after the fourth week of vegetative growth. The pre-flowers emerge behind the stipule at the fourth to fifth branch internodes and generally do not turn into full flowers.
Early male flowers are easy to spot with the naked eye. They are located at branch internodes. Male pollen sacks hang like little balls. Each pollen sac has enough pollen to pollinate all the females in the average grow room. Remove and destroy male plants grown from seed as soon as you can verify male pre-flowers. Removing male plants now ill virtually ensure an all-female crop sinsemilla.