I trim right away but I want as much leaf matter as I can get out of the bud and also I have this notion lots of trichomes fall off when I trim dry. I do love dry scissor has though but there's not much scissor hash when trimmed wet. Either you have to trim as you take it off the plant or wait until it is dry because even as soon as 12 hours after cutting the leafs become limp/hard to deal with.