Why You Should Prune Your Blueberry Bushes The most plump and delicious blueberries are harvested from the upper half of the bush on the upright growth of 2- to 4-year-old canes.
Research from OSU Extension shows that annual, moderate pruning results in bushes with the fewest canes, but with the greatest yields and largest berries. A blueberry bush before pruning.Neil Bell ...