Purdue Perennial Doctor!

The Purdue Perennial Doctor app has been developed by experts at Purdue University to help people better identify and manage insect, disease and environmental problems you find on your herbaceous, perennial landscape plants, from anemone to yarrow, to name but a few of the more than 100 commonly planted perennials in the Midwest. Landscape professionals and garden center personnel can use this app to improve communication with their customers. * Search information by flower or by pest.