Yellow Spots on Leaves

Asked July 21, 2018, 3:10 PM EDT

I am wondering what is wrong with our willow tree. Every year it looks great in the spring/early summer, but then as the summer progresses the leaves turn yellow with black spots and fall off. The tree is pretty bare by the time fall comes around. The tree continues to grow every year what seems like normal. I just noticed the bottom of the trunk is splitting. What is wrong and how can we fix this? Thanks, Becky

Sherburne County Minnesota leaf spot willow frost cracks

1 Response

Willow trees are subject to several leaf spot diseases but laboratory analysis is sometimes needed to identify the specific pathogen. The following website contains reliable information about leaf spot diseases and how to manage them:


Many tree trunks develop cracks similar to those shown in the photo. Go here to learn why and what to do about it: