Doug Oster is a garden columnist for the Pittsburgh Post-Gazette and the co-host of two weekly radio shows on KDKA in Pittsburgh and a national show heard weekly on Sirius/Lime radio. He is also the co-author of Grow Organic, Over 250 Tips and Ideas for Growing Flowers, Veggies, Lawns, and More.
Jessica Walliser cohosts "The Organic Gardeners" on KDKA radio in Pittsburgh, Pennsylvania. She is a former contributing editor for Organic Gardening magazine, and her column "The Good Earth" appears weekly in the Pittsburgh Tribune-Review. She has also written three other organic gardening books. She lives in Pittsburgh, PA.