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Hortsense fact sheets
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Rose
Disease
Black mold
Black spot
Botrytis bud and twig blight
Brand canker
Bullheading (cold damage)
Common canker
Crown gall
Downy mildew
Powdery mildew
Rust
Viruses
Insect
Leafcutting bees
Leafrollers
Redhumped caterpillar
Root weevils
Rose aphids
Rose galls
Rose leafhopper
Rose midge
Roseslug
Spider mites
Thrips
Tobacco budworm
Western spotted cucumber beetle
WSU Extension Presents
Hortsense
Fact sheets outline IPM strategies including cultural, mechanical, biological, and chemical methods.
Pesticides listed in the fact sheets are examples of products that are legal for use in Washington.