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Blight in Boxwood

How to identify and treat blight in Boxwood.

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Boxwood care requirements

water
Regularly when establishing. Moderate once established.
soil
Well-draining, fertile soil.
light
Full sun to partial shade.
symptoms

Symptoms to look for in Boxwood

  • fiber_manual_recordRapid browning and death of leaves, shoots, or flowers
  • fiber_manual_recordWater-soaked patches that expand quickly in humid weather
  • fiber_manual_recordSudden collapse of affected plant parts, sometimes within days
help

Common causes in Boxwood

Blight is an umbrella term covering rapid, destructive diseases caused by several different fungi, oomycetes, or bacteria (such as Alternaria, Botrytis, or Phytophthora), typically favored by warm, wet, humid conditions.

healing

How to treat blight in Boxwood

Remove and destroy affected material quickly to limit spread, improve air circulation, and apply a fungicide appropriate to the specific pathogen and host plant.

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Preventing blight in Boxwood

Avoid overhead watering, space plants well for airflow, and remove plant debris that can harbor spores over winter.