Pests & Diseases for “Peonies”

Michigan State University - Red spot (Measles) of Peony - Plant & Pest Diagnostics

Iowa State University - Peony Leaf Blotch | Horticulture and Home Pest News

Penn State - Peony Diseases

University of Connecticut - Peonies

University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Floriculture: Peony—UC IPM

Clemson University - Peonies | Home & Garden Information Center