Homeowners are reporting green or brown clusters hanging from the trees that look like a cocklebur. These clusters are caused by an eriophyid mite, and the damage is commonly called the ash staminate flower gall.
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Verticillium wilt is a fungal disease that affects over 300 species of plants, including many common trees and shrubs. In Iowa, it is most commonly seen on maple, ash, and catalpa trees, although it is also frequently found on smoke tree, viburnum, lilac, cherry, plum and several other trees and shrubs.
