props to Hogg for having the most (and almost only) relevant info and experience for this situation. and I happen to agree with him. learned the same thing from my old man first hand. don't fear the first frost - as long as you can snatch 'em up quick after.
but everyone who said wait as long...
isn't it possible that a small amount of stress to the leaf, such as a clip just to the tip, could trigger a hormone release in the plant that could then stimulate growth?
I'm gonna dig on that for while. if you don't hear back here it means I didn't find anything.