He graduated from Harvard College and went on to earn a Ph.D. from Harvard University in Biology. From 1978 to 2008 he was writer and science editor at Horticulture Magazine. He is the author of five books: Earthly Pleasures, Field Days, The Practical Gardener, Saving Graces, and Groundwork. From 2005-06 he was the co-host of the television show People, Places, and Plants with Paul Tukey on HGTV. Roger was married for 31 years to Elisabeth Ward Swain, who died in February 2008.
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