
Spotted, Yellowing Leaves on Crabapple
Each year my crabapple seems to lose its leaves earlier and earlier. They develop spots, turn yellow and soon drop. What can I do?
Apple scab is a fungal disease that causes the problem you describe. It is a common problem on crabapples. Fortunately many of the newer varieties have been developed to be resistant to this and the deadly fireblight disease. Applying a fungicide when the flower buds are starting to show color and every 10 to 14 days for a total of 4 or 5 applications usually provides good control for susceptible varieties. A long term solution that is less work and better for the environment is to replace this tree with one of the disease resistant crabapples.
Related
Categories
Upcoming Appearances
Feb. 24, 2021
Low Maintenance Gardening
Webinar
Feb. 25, 2021
Planning Your Rain Garden
Webinar
Feb. 27, 2021
Creating a Private Garden Space
Webinar
March 3, 2021
Summer Blooming Bulbs
Webinar
Register today! Plus, watch Melinda's past webinars ON DEMAND
for a limited time.
Learn More