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  1. Which? Gardening Helpdesk
  2. Trees and shrubs

Trees and shrubs

From box blight to camellias failing to thrive, we've got the solutions to your problems with trees, shrubs and climbers.

Cultural problems

  • Sudden death or dieback of wisteria
  • Non-flowering wisteria
  • How to move trees and shrubs
  • Falling leaves on camellia
  • Yellow leaves on camellia
  • Curled leaves on camellia

Pests

  • Horse chestnut scale
  • Horse chestnut leaf miner
  • Wisteria scale
  • Cushion scale
  • Black coating on camellia leaves
  • Box tree caterpillar
See all 7 articles

Diseases

  • Rose powdery mildew
  • Horse chestnut bleeding canker
  • Guinardia leaf blotch on horse chestnut
  • Azalea gall
  • Rhododendron bud blast
  • Rose blackspot
See all 9 articles
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