Join world famous Clematis expert and breeder Raymond Evison as he visits Overdvest Nurseries and describes to David Wilson how he started gardening at the young age of 15 and how three years later he introduced his first Clematis hybrid (which he named Edith after his mother). Find out why he finds growing clematis so rewarding, how he has introduced over 100 different selections, and also how he discoverd this fantastic variety Clematis Crystal Fountain in a small nursery in Japan.