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Hortsense fact sheets
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Holly
Disease
Boron deficiency
Green algae
Phytophthora leaf & twig blight
Red leaf spotting
Insect
Brown soft scale
Cottony camellia scale
Holly bud moth
Holly leafminer
Lecanium scale
Orange tortrix
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.