How to Grow and Care for Rhododendrons | Gardener's Path
Rhododendrons: An illustrated guide to varieties, cultivation and care, with step-by-step instructions and over 135 beautiful photographs: Hawthorne, Lin: 9781780193649: Amazon.com: Books
A Seasonal Rhododendron Care Guide | Martha Stewart
How Fast Do Rhododendrons Grow In The Garden? - Farmhouse & Blooms