Click on a thumbnail picture below to see the full size version. 1 Entries. Friday, July 12 View Page Growing long gourds this year, mains were 24 feet long way to big for a midd August pollination. Made the decision to cut the main off at the top of trellis at 17 and a half feet, will turn a side vine Into a new main, it works on the pumpkins. Will see if a works on LG.