Harvest time? Trichomes and fade

day 80? long bloomer... looks clear still, but some strains will do this, although i have not had any, i have read about others seeing this and wondering what to do. Think they are sativa genetics that tend to not amber up for long time even if ripe? I'd use other indicators along with this, if you think it's going too long. does it smell like it's rotting on the branches? or any change in smell for that matter in last few days or last week or so? if any of that happens, chop it immediately... in fact, may be too late to smoke safely. purple? if normal that's fine... if rotting, that's bad. Temperatures at night can bring this out. If it's in the mid to low 60's, it's probably purple from that... or genetics. touch an area with that color and make sure it isn't mushy or rotten.. if ffeels like normal bud, it's probably normal. Make note of what you did, and if you grow it again, adjust. One note -- if buds below top of canopy are riper, it could be your lights delaying what you see up top. (too much light hitting them, evaporation etc) if trichomes under canopy are ready, then the top colas are ready where you can't see them and somethign is cuasing them to throw pistils or lose trichomes to excess evaporation.