Browse tree diseases by tree type , or by the disease name .

If you would to suggest that we include information about a tree disease that is not included below, please let us know.

B Y   T R E E   T Y P E

Apple Tree Diseases
See Crabapple

Ash Tree Diseases
Ash anthracnose · Ash yellows
All ash tree insects and diseases

Aspen Tree Diseases
See Poplar

Birch Tree Diseases
Anthracnose · Wetwood
All birch tree insects and diseases

Buckeye Tree Diseases
See Horsechestnut

Cherry Tree Diseases
Black knot

Chestnut Tree Diseases
Chestnut blight
All Chestnut tree insects and diseases

Cottonwood Tree Diseases
See Poplar

Crabapple Tree Diseases
Apple Scab · Cedar-apple rust · Fire Blight · Powdery mildew · Wetwood
All crabapple tree insects and diseases

Dogwood Tree Diseases
Dogwood anthracnose · Powdery mildew
All dogwood tree insects and diseases

Elm Tree Diseases
Anthracnose · Dutch elm disease · Verticillium wilt · Wetwood
All elm tree insects and diseases

Hickory Tree Diseases
Pecan scab
All pecan and hickory insects and diseases

Horsechestnut Tree Diseases
All horsechestnut tree insects and diseases

Juniper Diseases
Juniper apple rust

Locust Diseases
Wetwood

All locust tree insects and diseases

Maple Tree Diseases
Anthracnose · Maple Wilt (Verticillium wilt) · Sapstreak disease · Tar Spot
All maple tree insects and diseases

Oak Tree Diseases
Anthracnose · Oak tatters · Oak Wilt · Powdery mildew · Wetwood
All oak tree insects and diseases

Palm Tree Diseases
Bud Rot · Fusarium Wilt · Ganoderma Butt Rot · Lethal Yellowing
All palm tree insects and diseases

Pecan Tree Diseases
See Hickory

Pine Tree Diseases
Pine needle scale
All pine tree insects and diseases

Plum Tree Diseases
Black Knot

Poplar Tree Diseases
All poplar tree insects and diseases

Rose Diseases
Powdery Mildew · Black Spot of Rose

Spruce Tree Diseases
Rhizosphaera needlecast
All spruce tree insects and diseases

Willow Tree Diseases
All willow tree insects and diseases

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B Y   D I S E A S E   N A M E

Anthracnose
Apple scab
Ash anthracnose
Ash yellows

Bacterial wetwood
Black knot of cherry and plum
Black spot of Rose
Bud rot of palm

Crabapple scab
Cedar-apple rust

Dogwood anthracnose
Dutch elm disease

Fire blight of apple 
Fusarium wilt of palm

Ganoderma butt rot

Juniper apple rust

Lethal yellowing of palm

Oak tatters
Oak wilt

Pecan scab
Powdery mildew

Rhizosphaera needlecast of spruce

Sapstreak of sugar maple
Slime Flux

Tar Spot

Verticillium wilt
Wetwood

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