University of Illinois Extension

Ash

Selection Info:
Tolerates wide range of growing conditions, green - white & blue species, 50+ feet tall.
Some Common Diseases:

Verticillium wilt
Canker
Leaf spots including:

Anthracnose
Ash ring spot

Root rot
Wood rot
Collar rot
Some Common Insects and Insect-related:
Ash border
Aphids
Flower Gall of Ash
Plant Bug
Cotton Maple Scale (male trees only)
Emerald Ash Borer