Raymond J. Evison has introduced over 100 species and cultivars to gardeners worldwide and is owner of the Guernsey Clematis Nursery in the Channel Islands. He has won numerous awards, including many RHS Gold Medals and the RHS Victoria Medal of Honor (2004). He serves as vice president of the Royal Horticultural Society, and his business, The Guernsey Clematis Nursery Ltd., is the world's leading producer of your clematis plants.