Armillaria Root Rot
(Armillaria spp.)
Leafy Mistletoe
(Phoradendron tomentosum)
Structural Root Rot
(Ganoderma sp.)
Emerald Ash Borer
(Agrilus plannipennis)
Redheaded Ash Borer
(Neoclytus acuminatus)
Carpenterworm
(Prionoxystus robiniae)
Drought
Frost Crack
Herbicide Damage
Lightning Damage
Underwatering
Soil Compaction
Improper Pruning
Improper Planting
Botryosphaeria Canker
(Botryosphaeria spp)
Ambrosia Beetles
(Scolytinae: Xyleborini)