Select Suspected Cause

Anthracnose (Ash)

Anthracnose (Ash)
(Discula fraxinus)
Armillaria Root Rot

Armillaria Root Rot
(Armillaria spp.)
Botryosphaeria Canker

Botryosphaeria Canker
(Botryosphaeria spp)
Carpenterworm

Carpenterworm
(Prionoxystus robiniae)
Drought

Drought
     
Elm Spanworm

Elm Spanworm
(Ennomos subsignarius)
Emerald Ash Borer

Emerald Ash Borer
(Agrilus plannipennis)
Frost Crack

Frost Crack
     
Herbicide Damage

Herbicide Damage
     
Improper Mulching

Improper Mulching
     
Improper Planting

Improper Planting
     
Improper Pruning

Improper Pruning
     
Leaf Scorch

Leaf Scorch
     
Leafy Mistletoe

Leafy Mistletoe
(Phoradendron tomentosum)
Lightning Damage

Lightning Damage
     
Mechanical Damage

Mechanical Damage
     
Nutrient Deficiency

Nutrient Deficiency
     
Overwatering

Overwatering
     
Phytophtora Root Rot

Phytophtora Root Rot
(Phytophtora spp.)
Powdery Mildew

Powdery Mildew
(Oidium sp.)
Redheaded Ash Borer

Redheaded Ash Borer
(Neoclytus acuminatus)
Soil Compaction

Soil Compaction
     
Structural Root Rot

Structural Root Rot
(Ganoderma sp.)
Underwatering

Underwatering