Harvest/flush time?

Very quickly here... the length of flowering time seed banks give you is only an estimate... you should NOT be guided by this as a be-all-end-all... Your plant will tell you when she's ready for harvest and it sounds like you're coming up on it... You want to see some amber trichomes so my advise to you would be to start your flush now (triple your pot size and that's how much pH'd water you want to give) and wait until she's bone dry then harvest... the trichs will most likely have turned amber by then... if not, the effects will be more cerebral than body so if that's ok with you, that's what I'd do. If you want more of a body buzz, then wait it out another week or two and then flush... Good luck and happy smokes!