Basics

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 )

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