I have several large/long blackberry vines that stick up above the entire patch. These are first year vines, I believe, so they won't produce berries, but should I be cutting these back? They make it hard to get to the ripened berries, as they are so large and just hang over the entire patch and there are several of them. They almost seem mutant they're so large and fast growing compared to the others.
Certified GKH Gardening Expert
For information on pruning, this article should help: https://www.gardeningknowhow.com/edible/fruits/blackberries/blackberry-pruning.htm