Nannyberry

Asked August 22, 2020, 12:32 PM EDT

what is on my nannyberry leaves?

Hubbard County Minnesota

1 Response

It looks like it may be some rust on the leaves. It isn't a serious problem. Clean up your leaves this fall and dispose of them. Here is some more info about rusts. https://extension.umn.edu/plant-diseases/leaf-spot-diseases-trees-and-shrubs