Anita Joggerst is an advanced master gardener in a joint program of University of Missouri Extension and the Missouri Botanical Garden. "Heartland Horticulture" newsletter editor. Garden writer for the St. Louis Post-Dispatch.
DON WILLIAMSON, the author or coauthor of more than a dozen popular gardening guides, has a degree in horticultural technology and professional certificates in turf management. He has extensive experience designing and constructing both perennial and annual beds in formal landscape settings.