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Meet our Pests & Diseases experts

View more than 750 photographs for over 350 pests & diseases
Browse the plant list of nearly 200 herbaceous perennials for specific photos/ information on each species
Access information on identification, monitoring & management
Use as a stand-alone with Adobe® Acrobat® Reader 5.0 or link to Horticopia®Professional or A to Z to get detailed pest & disease information on individual herbaceous species
View special sections on disease terminology, low risk pesticides & beneficial organisms
Written by Ethel Dutky, Stanton Gill, and David Clement