Need help in harvest time

So most of the harvest time of the plant differs from strain to strain.I've grown a bag seed this year and out of 4 plant 1 turned out to be female sativa by the looks of it.can anyone help me in pin pointing the harvest time of the plant that i'm growing.to make things easier i've also posted picture of my plant.I live in northern hemisphere.Please help me!!

hard to pin point a harvest time as there are many variables.....but my guess would be 6 to 8 weeks

ten weeks, two days and four hours until 1/4 amber ?

Ohhhh the northern hemisphere! lol....no way to pin point, especially outdoors, how old are they, temps and humidity in your area, when it was planted.... acid rain and such lol... for that sativa looking thing, looks like it just showed sex as your saying its your only female, so yeah 6-8 sounds right, but especially outdoors you got plenty variables...good luck!

We have to go back to the future. Then we will see when she is ready!

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So many people ask the same thing and there is a very simple and EASY answer to this. Go out, buy a handheld microscope. I used a 420 scope. Then just keep an eye on the trichomes to see when 50% are amber. You can harvest at different % to get different highs.

Super Simple.