Rhododendron Basics by Harold Greer
from Greer’s Guidebook to Available Rhododendrons:
- What Rhododendrons Require
Soil, PH, oxygen, moisture, drainage, mulching and nutrient requirements ( 3 illustrations ) - Diseases
Root Rot and Stem Dieback, Mildew and Powdery Mildew, Leaf Gall, Bud Blight, Flower, Blight, Rust, Leaf Spotting ( 13 photos ) - Non-Disease Problems
Sunburn, Windburn, Fertilizer Burn, Chlorosis, Light Yellow Leaves, Frost Burn, Freeze Burn, Bark Split, Natural Responses, Insufficient Water ( 13 photos ) - Insects & Other Pests
Root Weevil, Adults, Larvae, Control, Aphids, Bark Scale, Caterpillars, Leaf Rollers, Sawflies, Leaf Miner, Spider Mites, Lacebugs, White Fly, Slugs and Snails ( 9 photos ) - Pruning
( 6 photos ) - Deadheading & Pinching
( 5 photos ) - Propagation
Cuttings, Grafting, Layering, Seed ( 3 illustrations )