WSU CAHNRS

Washington State University

Gardening in Washington State

Winter injury on evergreens
Viburnum leaf beetle
Why do leaves turn red?
Cherry bark tortrix
Hedges and screens
Drought tolerant landscapes
Rhododendron problems
Biochar
Pruning tools
Organic fungicides
Soil amendments

Trees and Shrubs

Gardening in Washington State, Puyallup Research and Extension Center, Contact Us

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