Adam Levine is an award-winning writer and the author and coauthor of Gale Nurseries: Four Generations of Garden Excellence, A Guide to the Great Gardens of the Philadelphia Region, The Passion for Gardening, and The Philadelphia Flower Show: Celebrating 175 Years. He has written for Fine Gardening, Horticulture, Martha Stewart Living, and This Old House. He lives in Media, Pennsylvania. Rob Cardillo is an award-winning horticulture photographer whose work has appeared in Better Homes and Gardens, Country Living, the New York Times, Organic Gardening, and Town and Country Living. He has contributed to the books Foliage, Gale Nurseries: Four Generations of Garden Excellence, and Guide to the Great Gardens of the Philadelphia Region. He lives in Ambler, Pennsylvania. Chuck Gale is the owner of Gale Nurseries. He lives in Gwynedd, Pennsylvania.