Greg Speichert is known for his water gardening expertise. He and his wife Sue previously owned and operated a groundbreaking nursery in Indiana popularizing water garden plants, and together they wrote Encyclopedia of Water Garden Plants (Timber Press). An avid plant breeder, Greg holds a degree in horticulture from Purdue University and has introduced over 300 new hardy and tropical marginals and over 100 new native water plants to the water gardening industry. He maintains the largest collection of hardy waterlilies in the United States, with over 300 cultivars represented. Greg lectures frequently on water gardening, perennials, and tropical plants for the American Association of Botanical Gardens and Arboreta, the Perennial Plant Association, and the International Waterlily & Water Gardening Society, and more. Greg is now director of Hilltop Garden and Nature Center, a program of Indiana University in Bloomington. In his free time Greg enjoys cooking and entertaining, rescuing silky terriers, and bonsai. Sue Speichert is a founder of Water Gardening Magazine, and the American Water Garden Society. She writes frequently on water gardening for Fine Gardening, American Nurseryman, and Pondkeeper. She is the co-owner of Crystal Palace Perennials, a groundbreaking nursery that helped popularize water garden plants. The nursery is now dedicated to developing and introducing new plant varieties for the wholesale industry. Sue Speichert is editor of Water Gardening.