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Honey Fungus in Buddleia

How to identify and treat honey fungus in Buddleia.

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Buddleia care requirements

water
Regularly when establishing. Drought tolerant once established.
soil
Well-draining, fertile soil.
light
Full sun.
symptoms

Symptoms to look for in Buddleia

  • fiber_manual_recordHoney-colored toadstools clustered at the base of the plant in autumn
  • fiber_manual_recordWhite fungal growth (mycelial sheets) beneath the bark at soil level
  • fiber_manual_recordBlack, root-like rhizomorphs in the soil or bark
  • fiber_manual_recordDieback, poor growth, and sudden death of woody plants
help

Common causes in Buddleia

Caused by Armillaria fungi, which spread underground via root-like rhizomorphs, attacking and killing the roots and lower stem of woody plants, often those already stressed or weakened.

healing

How to treat honey fungus in Buddleia

There is no chemical cure; remove and destroy dead or dying plants along with as much of the root system as possible to reduce the spread of rhizomorphs.

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Preventing honey fungus in Buddleia

Keep plants healthy and unstressed, avoid planting susceptible species near known infected areas, and consider physical root barriers to limit rhizomorph spread.