Société Bretonne du Rhododendron - Bilingual in French and English, Marc Colombel's website for hybrid images. Rhododendron propagation by seed, cuttings and grafting with images, directions, and FAQs. American Rhododendron Society - Encourages interest in and disseminates knowledge about rhododendrons and azaleas through meetings, publications, scientific studies, research and culture information. Rhododendron Species Foundation - The Rhododendron Species Botanical Garden has one of the largest collections of Rhododendron species in the world. Azalea Chapter of the ARS - Georgia based group provides tips on identification and propagation, event calendar, photographs and plant resources. The De Anza Chapter of the ARS - California group features schedule of events, newsletter archive and membership information. The Rhododendron Society of Canada, Niagara Region - Contents include members gardens, events, plant sales, culture information and history. ARS Portland Chapter - Features events, photographs, and garden tours. ARS Pilchuck Chapter - Presents photographic garden tours, event schedule, and newsletters. ARS Mason-Dixon Chapter - Provides event schedule and suggested reading list. Atlantic Rhododendron & Horticultural Society - A calendar of events, library, archives, unique planting conditions and a gallery of rhododendrons and azaleas. Discusses hybrids and garden tours. Meetings in Halifax, Nova Scotia. Fraser South Rhododendron Society - Features the gardens and activities of the Lower Mainland of BC chapter of the ARS.