One of my presexed plants with stunted growth has thick buds with pistils that are purple on bottom white in middle and of course turning amber ontop which is just where there at in flowering. I heard this could be caused from cold night temps? But only one plant has the pistils with dark purplebases. All these plants were thought to be the same bagseed The buds are nice and thick i eliminated nitrogen except whats in soil left over and whats in my cal mag solution. Been dousing with bloom nuetrients they show no signs of overfert and love this potassium and phosphorus. Never showed lock out and i typically feed them 16-24ml of bloom nuets per gallon daily and they seem to love it. Any thoughts on the purple pistils? Thanks