Do it in your tent with the lights off and carbon filter extractor running! It can differ from strain to strain, grow to grow but most weed stays to stink at this point. Keep humidity between 50-60% and low temps and darkness. When can snap stalks, just jar them up and keep an eye on the humidity and temp when inside the jars open then once daily for two weeks and then every other day until happy with dryness and curing.