The new app packed with trusted gardening know-how
North Yorkshire
Essex
Devon
Surrey
Greater Manchester
The RHS is the International Cultivar Registration Authority for the genus Clematis - download the register supplements below (prices refer to printed copies which are available at the RHS Shop at Wisley)
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.