Well, harvest is dependent on when the buds look ready to be harvested! You really need a loop or magnifying glass to look at th trichromes. When about half of them are amber, it's time to pull her out. Now, some people will harvest sooner and that's fine. From what I've read you will get a headier buzz when there are more milky trichromes than amber. More amber means a more full body high. If its a good strain then it won't matter too much. Just don't pull her early or the yield and potency will be lower. If you wait too long then potency goes down then too. I have an outdoor diesel plant and I'm about three weeks away from harvest. I'm in the north east so once October gets here, outdoor plants have to almost come out of the ground, it'll get too cold out there!