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Root Rot in Rhododendron

How to identify and treat root rot in Rhododendron.

potted_plant

Rhododendron care requirements

water
Keep soil consistently moist but well-draining; water deeply during dry spells. Avoid both waterlogging and drought stress.
soil
Acidic, well-draining soil (pH 4.5–6.0) rich in organic matter such as peat or leaf mold. Poor drainage causes root problems.
light
Partial shade to dappled sunlight; tolerates full shade but flowers better with some light. Protect from intense afternoon sun, especially in hot climates.
symptoms

Symptoms to look for in Rhododendron

  • fiber_manual_recordBrown, mushy roots
  • fiber_manual_recordWilting despite moist soil
  • fiber_manual_recordYellowing leaves
  • fiber_manual_recordFoul odour
help

Common causes in Rhododendron

Caused by Pythium, Phytophthora, or Fusarium species in waterlogged conditions.

healing

How to treat root rot in Rhododendron

Remove plant, trim rotted roots, treat with hydrogen peroxide, repot in fresh well-draining soil.

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Preventing root rot in Rhododendron

Never overwater. Ensure drainage. Avoid compacted soil.