Controlling maple petiole borer is difficult and generally unnecessary. Although leaf drop may at times be large enough to cause concern, rarely does more than 25% of the tree’s leaves fall ...

Like anthracnose, maple leaf blister is unlikely to threaten a healthy tree, and cultural practices described for anthracnose can reduce spread of the fungus and the risk of serious damage to the ...

Your maple tree has tar spot, a fungal disease that infected the leaves of your soft maple in early spring. Symptoms of maple tar spot begin with small greenish-yellow spots that begin to form on ...