pistils have reletively no signs of telling wen the bud is at its proper harvest time. wat u should b lookn at is the trichome color. get a good magnifying glass and tilt the bud towards the light. if the trichs r mostly cloudy or amber its time 2 harvest. depending on the high u want is how ul tell wen its time. wen the trichs r cloudy it will give u an energetic, uplifting, and very social high. amber trichs will give u the ultimate “couch lock” high, putting u in a deep stone. amber trichs can also give some people that narcotic, drunk feeling type of high. hopes this helps man. make sure to give it a proper cure as that will also increase potency, dank smell, and taste!