Clematis - Container Nursery - Provides a searchable database of Clematis varieties including characteristics, growing requirements and care instructions. Clematis is a Popular Garden Climber - Information for growing clematis from the Purdue University. Clematis on the Web - Searchable database from the University of Hull; many entries include photographs. Howells on Clematis - Lists books, articles and information on clematis by Dr. Howells and also provides links to the publishers. Growing Clematis in the UK - Describes the different varieties of cultivars and explains how to propagate, plant, prune, and care for them. Includes photos. Classic Climbers - Provides instructions for planting, pruning, and controlling diseases and pests. Includes a list of varieties with links to photos and basic facts. GardenWeb: Clematis Forum - Members discuss cultivation of clematis, exchange plants and seeds, and share photos. Clematis from Seed - Notes on germinating seeds, raising seedlings, flowers; links. Clematis on the Top - Norwegian enthusiast presents information on the different forms and a photo gallery. More detailed information on the Norwegian version. Collecting and Growing Clematis Seeds - Notes on growing clematis seeds from the International Clematis Society. Pruning Clematis - Information on pruning the different clematis groups. Rogerson Clematis Collection - Collection housed in a garden and greenhouse in Oregon, US, embracing both species and cultivars. General information, history and mission.