David Deardorff, PhD

David Deardorff, PhD, former professor and researcher at University of Hawaii and Washington State University. He is coauthor of several books about plants including What’s Wrong with My Plant? (And How Do I Fix It?). KathrynAndDavid.com


Safe Ways to Get Rid of Aphids, Caterpillars, Root Weevils and Fungus on Your Trees and Bushes

Here are effective remedies for common pests and diseases that hurt trees and bushes—without chemicals that could hurt people, pets or backyard animals.