Spring 2009 - Crabapples: Spring Beauties

By: Dave Scharfenberger, Board Certified Master Arborist WI-0131B

Spring 2009 Newsletter in Adobe PDF format Nothing says “spring” like the beauty of flowering crabapples. This display makes them some of the most sought-after trees for the landscape. Unfortunately, this beauty can soon fade. Moist springs cause extremely high levels of apple scab disease.


Moist springs cause extremely high levels of apple scab disease. This yearly fungal disease causes leaf spotting, and eventually, early leaf drop. Often, many trees are 80-90% bare by July. By then, you wonder why you even have one in your yard!

Reduced flowering and no leaves are only part of the problem with scab. The early leaf drop removes food-producing leaves. Without proper food production, the trees become weak and susceptible to stem cankers and boring insects that can kill trees.

Steps can be taken to protect your trees. You can plant a disease resistant variety or treat your trees with a protective spray program. Two or three prescribed sprays, starting early in the season, will block the majority of the infection, giving you beautiful and healthy crabapples.

If you have experienced this problem in past years, give us a call. Your crabapples will thank you for their improved health. You will enjoy their improved appearance.

© Copyright 2009 – Wachtel Tree Science & Service, Inc.

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