Tom Ogren is the author of five published books, including: Allergy-free Gardening, Safe Sex in the Garden, and What the Experts May NOT Tell You About... Growing the Perfect Lawn. Tom has an M.S. degree in agriculture-horticulture, taught landscape gardening for twenty years, owned and operated two wholesale-retail nurseries, and in northern Minnesota was host of the popular Public Radio call-in gardening show, "Tom Ogren's Wild World of Plants!"