Rhododendrons & Azaleas profiles over 4,000 varieties of this highly popular and striking plant. Illustrated with 1,100 color photographs, each entry includes a description of the plant and flower color; notes on hardiness, height and spread, and flowering time; advice on cultivation and proven performers; and the name of the parent plants, the raiser, and similar varieties. Practical advice is also given on rhododendrons in the landscape, maintenance and husbandry, pests, diseases, problems and disorders, propagation, and buying and collecting rhododendrons, along with a brief history and a guide to their classification.