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The Best Time to Prune Crab Apple Trees

7117745054 • February 26, 2025

When to Prune Crab Apple Trees

The best time to prune crab apple trees is now! The best time to prune crab apple trees is during the winter, when it’s cold enough to prevent the spread of Fireblight- a destructive bacterial disease that can cause decay and death to trees and shrubs in the Rosaceae family.

Symptoms of Fireblight include dark, sunken areas appearing on the bark of the tree, young shoots will wither up similar to what we call, a “shepherd’s crook”. If your tree bears fruit, that fruit may end up end up shriveled and black.

While there is no true cure, trimming out the infected areas can make a huge difference in the overall health of the tree. If infection is bad enough, our arborists can sometimes recommend a round of Cambistat to help slow the spread.

Cambistat is a growth regulator that provides long-lasting reduction in tree growth. If the tree isn’t growing, the bacteria isn’t spreading.

Regardless of whether your crab apple tree has Fireblight or not, it’s recommended to prune crab apple trees before the beginning of April, which means we only have a few weeks left to perform this tree service.

However, with how quickly it’s warming up, you may start to see your crab apple trees blooming sooner rather than later, which means it’s better to prune sooner rather than later.

Give ArborScape a call at (303) 806-8733 for a free estimate and to get on our schedule to prune your crab apple trees!



*For any other tree trimming or removal services, ask us about scheduling before March 31st to get a 10% discount!
The Best Time to Prune Crab Apple Trees
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