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We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
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Search by plant name, key attributes or both to find plant details and a list of
AGM plants have been through a rigorous trial and assessment programme. They are:
The RHS is the International Cultivar Registration Authority for the genus Clematis
Download registration forms here:
Application form to register a Clematis cultivar name (pdf)
Application form to register a Clematis cultivar name (doc)
The RHS publishes The International Clematis Register and Checklist 2002 and subsequent supplements, some of which are available as downloads from the link below.
Evison, R. 1985. May Large-flowered Clematis cultivars. The Garden 110(5): 207-213.
Fretwell, B. 1989. Clematis. Deer Park, Wisconsin: Capability's Books.
Lloyd, C. 1989. Clematis. Deer Park, Wisconsin: Capability's Books.
Rogerson, B. 1985. Clematis viticella and its progeny. Pacific Horticulture 46(1): 40-44.
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