The disease is primarily seen in oakleaf hydrangea kept under poor drainage conditions. Wilting of the foliage is the first symptom of the disease. The leaves may turn yellow, shed, and the plants will be stunted depending upon the root-colonization.

The disease is primarily seen in oakleaf hydrangea kept under poor drainage conditions. Wilting of the foliage is the first symptom of the disease. The leaves may turn yellow, shed, and the plants will be stunted depending upon the root-colonization.