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Rust in Hemerocallis
How to identify and treat rust 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_recordOrange or brown pustules on leaf undersides
- fiber_manual_recordYellow spots on leaf tops
- fiber_manual_recordPremature leaf drop
help
Common causes in Hemerocallis
Caused by various Puccinia and Phragmidium species. Spreads via windborne spores in moist conditions.
healing
How to treat rust in Hemerocallis
Remove and destroy infected leaves. Apply copper or sulphur fungicide.
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Preventing rust in Hemerocallis
Avoid overhead watering. Space plants adequately. Clear debris.