Only genetically purple plants can turn purple.
Why worry about purple when you should be worrying about your overfert problem and why your plants look root bound?
stinkyattic Reviewed by stinkyattic on . how long should it take to turn a sativa bud purple? how long should it take to turn a sativa bud purple? the temps have been in the low to mid 70s with the 9 cfl 23 watt lights on. and I don't know what the temps R at night cuz I don't look in there cuz she is in flowering cycle.and I don't want her to turn hermmie. thankds for ur info on this. Rating: 5