Some of the leading horticultural experts from Gurney's Seed & Nursery share some examples of how to prune a larger tree. In this video, Felix from Gurney's shows how to prune Blackberry plants in the Early Spring. This video will help you get your blackberry plant to produce more fruit! Blackberry pruning is simple. Pay attention to the colors of the canes. If the cane is brown, with little to no green, cut that cane back to free up the center of the plant and encourage growth on the healthy canes. Browse all Gardening How-To Videos