When to Prune Blueberries In the northern hemisphere blueberries can.

Blueberries require regular pruning to produce high yields of large fruit. The most fruitful blueberry canes are four to six years old and 1 to 2 inches in diameter at the base. Pruning is used to manage bush size and shape. Blueberry twigs require at least 15% full sunlight to initiate flower buds.

Nov 25, To keep them producing well, blueberry bushes need to be pruned every year. If your bushes have never been trimmed, be careful not to go overboard the first year: Remove no more than two or three of the oldest canes (more than seven years old). Remove any diseased or broken wood, plus crossing branches.

Jul 03, Some varieties are finished or almost finished fruiting by now. Our growing season is long enough that we can prune blueberries soon after harvest (by the end of July, as a rule of thumb), and the plants will have time to set flower buds (from which Estimated Reading Time: 3 mins. What are the steps to successfully prune a blueberry bush? The best blueberries are produced on 2- to 4-year-old canes.

Hi, Shirley.

Older canes tend to be weaker and produce smaller berries. Hence, blueberry pruning is a constant renewal process where older canes are removed to. Every year, use the following steps to prune your blueberries. Prune bushes in late winter when they are still dormant. As your plants grow older you want to focus pruning to maximize fruit production by giving the best canes plenty of room.

Mature bushes have a mix of younger and older shrubmulching.barted Reading Time: 8 mins. Jul 26, The best time to prune blueberries is in late winter to early spring (January to early March) after all chance of severe weather has passed.

Young bushes generally do not require as much pruning, however, trimming blueberry bushes throughout the growing season may be necessary to maintain overall health and shrubmulching.barted Reading Time: 2 mins. Can you prune blueberry bushes in the summer? Prune blueberries in late winter and early spring, when plants are dormant.

Avoid pruning after your harvest in summer and fall. Late pruning also stimulates new growth that leaves bushes vulnerable to winter cold damage.

With dormant pruning, canes are seen clearly and large flower buds stand out. Pruning mature blueberry plants: remove weak, low-growing shoots (1) thin the crown of the plant by cutting out about 20 percent of the canes each year (2) head new, vigorous canes to about 4 to 6 inches below the top of the bush (3) 1 2} Excessive fruit set results in smaller, poorer-quality.