The only treatment for virus-infected plants is to remove and.

Nov 25, Canes that are more than seven years old become less productive. 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). Are you supposed to cut back blueberry bushes? To keep them producing well, blueberry bushes need to be pruned every year.

You want the bush to have a narrow base and a wide, open top that allows sunlight and air in. The best time to prune blueberry bushes is late winter while they’re still dorant.

What time of year should you prune blueberry bushes? 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 canes. You want to start by taking a good look at your blueberry bush. Note how it Estimated 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 stumphaul.barted Reading Time: 2 mins.

Blueberries grow on wood that's at least a year old, with harvests peaking on two-year-old stems before fading as the canes get older. The more vigorous younger stems are easy to identify â they're a vibrant red colour as opposed to the grey"woodier" looking older stems. Stems that are more than four years old cease to bear much fruit, so it's a good idea to prune them out and encourage new growth to replace it.