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Leaf Spot in Hemerocallis

How to identify and treat leaf spot 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_recordCircular brown or black spots
  • fiber_manual_recordYellow halos around spots
  • fiber_manual_recordPremature defoliation
help

Common causes in Hemerocallis

Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.

healing

How to treat leaf spot in Hemerocallis

Remove affected leaves. Apply appropriate fungicide or bactericide.

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Preventing leaf spot in Hemerocallis

Water at soil level. Improve air circulation. Practise crop rotation.