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Crown Rot in Hemerocallis

How to identify and treat crown rot in Hemerocallis.

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Hemerocallis care requirements

water
Low to moderate; drought-tolerant once established; water during dry periods; no special requirements
soil
Tolerates a wide range of soils; prefers well-drained, fertile soil but adapts to poor conditions and various pH levels
light
Full sun to partial shade (at least 4–6 hours of sun for best blooming); tolerates shade but flowers less profusely
symptoms

Symptoms to look for in Hemerocallis

  • fiber_manual_recordRotting at soil level
  • fiber_manual_recordCollapse of plant base
  • fiber_manual_recordBrown, soft crown tissue
help

Common causes in Hemerocallis

Caused by Sclerotinia, Phytophthora, or Rhizoctonia. Thrives in waterlogged soils.

healing

How to treat crown rot in Hemerocallis

Remove plant. Trim affected tissue. Treat with fungicide. Repot.

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Preventing crown rot in Hemerocallis

Excellent drainage. Avoid mulch touching stems. Don't overwater.

Crown Rot in Hemerocallis — Symptoms & Treatment | GreenScout