Answer: Your pumpkin plants need their foliage to grow and produced pumpkins, so you do not want to trim them back. Pumpkins are heavy feeders, so you do not want to crowd them. For best results, you might thin the plants to be several feet apart, keeping only the better plants. Then remove most of the pumpkins from each vine so the energy goes to just one or two fruits per plant. As the vines grow you can twine them back into the patch to redirect them so they don't tangle or strangle together. Keep in mind that the pumpkins you get may be smaller or quite different from the original parent. Enjoy your impromptu pumpkin patch project!
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