flowering help!

hey was just wondering how long it shud usually take to start flowering after u switch the lights to 12/12 also when u can start feeding it better nutrients thanks.

if u mean how long to tell sex or see hairs

it could take 2 days to a week to tell if its male female or hermie

and to see hairs it could take a couple days or a week it all depends on strain

depends on how mature the plant is when switched. let it veg long enough and it will start showing pre-flowers in veg when they become mature and ready to move on to the reproductive part of their life cycle. i dont flower till it get preflowers, its the plants way of saying its time to start flowering.

kk thanks and wats a obvious sign of it being female?