Rhododendron Information
American Rhododendron Society - Comprehensive source of plant information, resources, and the ARS Store
ARS District One - provides access to all local rhododendron chapter websites
Hirsutum Project - Extensive photo gallery and full online encyclopedia of both species and hybrid rhododendrons
Royal Horticultural Society (RHS) – Rhododendron, Camellia and Magnolia Group - Information on rhododendrons, camellias, and magnolias with publication downloads that include the Rhododendron Society Notes 1916 – 1931 and the RHS Rhododendron Story Book (200 years of plant hunting and garden cultivation)
Gardens
Rhododendron Species Foundation - a non-profit organization dedicated to the conservation, public display, and distribution of Rhododendron species. The Botanical Garden is located in Federal Way, Washington
Sunshine Coast Botanical Garden
