Ornamentals Hotline Issue 11

Hemlock woolly adelgid. Photo credit: PA Dept Conservation & Natural Resources - Forestry.bugwood.org
Hemlock woolly adelgid. Photo credit: PA Dept
Conservation & Natural Resources –
Forestry.bugwood.org
Septoria leaf spot on Rudbeckia. Photo credit: N. Gregory
Septoria leaf spot on Rudbeckia. Photo credit: N. Gregory

Barton, Susan

Associate professor in Landscape Horticulture, Plant and Soil Sciences, U of D
Cooperative Extension Specialist, Landscape Horticulture
Research in sustainable landscaping, roadside vegetation

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