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Brown Spots in Gunnera
verifiedReviewed by the GreenScout Team
A dramatic architectural perennial with massive palmate leaves that can reach 5–6 feet across, creating a tropical effect in cool climates
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Gunnera care requirements
These care conditions are most relevant to brown spots in Gunnera. Check each one as a potential cause.
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Light
Partial shade to dappled sunlight; protection from harsh afternoon sun prevents leaf scorching
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Water
High moisture requirement; keep soil consistently wet or boggy. Plant beside water features or in low-lying areas
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Humidity
High humidity essential; benefits from regular misting and consistently moist environment
symptoms
Symptoms to look for in Gunnera
- fiber_manual_recordBrown patches on leaves
- fiber_manual_recordCrispy brown areas
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Common causes in Gunnera
- 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 Gunnera
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 Gunnera
Remove affected leaves. Treat with appropriate fungicide or bactericide. Adjust light exposure.
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Preventing brown spots in Gunnera
Avoid direct midday sun. Improve air circulation. Water at soil level.