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Brown Spots in Heuchera
verifiedReviewed by the GreenScout Team
This woodland perennial is prized for its ornamental lobed foliage in shades of purple, bronze, or silvery-grey, with delicate sprays of tiny pink or white flowers held above the leaves on slender stems
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Heuchera care requirements
These care conditions are most relevant to brown spots in Heuchera. Check each one as a potential cause.
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Light
Partial shade to shade (2–4 hours of dappled sun); afternoon shade in warmer zones; excessive sun fades foliage color
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Water
Moderate; keep soil consistently moist but not waterlogged; reduce watering in winter dormancy
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Humidity
Moderate to high humidity; benefits from consistent moisture and good air circulation
symptoms
Symptoms to look for in Heuchera
- fiber_manual_recordBrown patches on leaves
- fiber_manual_recordCrispy brown areas
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Common causes in Heuchera
- fiber_manual_recordFungal leaf spot
- fiber_manual_recordSunburn
- fiber_manual_recordBacterial blight
- fiber_manual_recordCold damage
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How to diagnose brown spots in Heuchera
Sunburn: bleached patches facing light source. Fungal: brown spots with rings. Bacterial: water-soaked spots turning brown.
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How to treat brown spots in Heuchera
Remove affected leaves. Treat with appropriate fungicide or bactericide. Adjust light exposure.
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Preventing brown spots in Heuchera
Avoid direct midday sun. Improve air circulation. Water at soil level.