i didnt do anything though they are outside and a day or two after the solstice they went into flowersummer solsits is when the days get shorter. if you put you plants in the dark for 24 hours than put them out side after june 21 they will flower, because each day is shorter. mine are all most done
I wonder if they're an auto-flower.yeah i planted around april 1st its been around a while. i was suprised mine started so early