First indoor fem grow

Some genetics the hairs turn way b4 the plant is finished. Also cold Temps and if you have lowered the light intensity you cld trick the plant into thinking winter is coming soon and the plant move into later phases to

I have read that wen just the tip is brown and the rest are white it can be from pollination. But this can also be from user error like numbers have stated. monior it.

it may or may not be unusual. If the pistils are only turning color early in specific, isolated locations, then you can probably assume you are causing it. Is a fan directly pointed at those colas? Is it only the top colas in the most intense light directly under any concentration of diodes? Did you spray something on your plants? Should cover most of the bases, but i'm sure there's other things you could do to cause this, too. Your temperature range definitely won't cause this. If it is happening all over and fairly evenly, then it's just maturing faster than a typical plant. --- Call me "mean": I want to see a plant that sheds its stigmata. I've yet to ever see that occur. Do you have to sweep up mid-to-late flower? Probably caused by some sort of gimmicky foliar spray promising the world?