CAHNRS > Hortsense > Ornamentals > Ornamentals – Trees (A-H) Ornamentals – Trees (A-H) Ash to Honey Locust Ash Diseases Ash: Anthracnose Ash: Nectria canker Insects Ash: Aphids Ash: Ash borer Birch Diseases Birch: Canker Birch: Rust Insects Birch: Aphids Birch: Birch leafminer Birch: Bronze birch borer Birch: Oystershell scale Crabapple Diseases Crabapple: Powdery mildew Crabapple: Scab Crabapple: Stem rot Insects Crabapple: Aphids Crabapple: Apple-and-thorn skeletonizer Crabapple: Leafrollers and leaftiers Crabapple: San Jose scale Crabapple: Spider mites Dogwood Diseases Dogwood: Anthracnose Dogwood: Armillaria root rot Dogwood: Collar rot Dogwood: Leaf scorch and leaf roll Dogwood: Powdery mildew Insects Dogwood: Brown soft scale Dogwood: Lecanium scale Dogwood: Oystershell scale Elm Diseases Elm: Bacterial wetwood (Slime flux) Elm: Dutch elm disease Elm: Nectria canker Insects Elm: Aphids Elm: Bark beetles Elm: Carpenterworm Elm: Elm leaf beetle Elm: Elm leafminer Elm: European elm scale Elm: Spiny elm caterpillar Hawthorn Diseases Hawthorn: Fire blight Hawthorn: Leaf spot Hawthorn: Rust Hawthorn: Scab Insects Hawthorn: Apple-and-thorn skeletonizer Hawthorn: Hawthorn aphid Hawthorn: Pear slug Hawthorn: Scale insects Hawthorn: Spider mites Honey locust Diseases Honey locust: Honeylocust canker Honey locust: Powdery mildew Insects Honey locust: Honeylocust pod gall midge Honey locust: Locust borer Ornamentals Bulbs Flowers Conifers (A to L) Conifers (M to Z) Shrubs (A to H) Shrubs (H to Z) Trees (A to H) Trees (H to O) Trees (O to Z)
Ornamentals Bulbs Flowers Conifers (A to L) Conifers (M to Z) Shrubs (A to H) Shrubs (H to Z) Trees (A to H) Trees (H to O) Trees (O to Z)