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Brown Spots in Gladiolus
verifiedReviewed by the GreenScout Team
Gladiolus × hybridus, commonly called Gladiolus or Sword Lilies, are popular tender bulbs producing tall spikes of vibrant flowers in nearly every color imaginable
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Gladiolus care requirements
These care conditions are most relevant to brown spots in Gladiolus. Check each one as a potential cause.
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Light
Full sun; requires 6–8 hours of direct sunlight daily for optimal flowering and strong stem development
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Water
Moderate watering; keep soil consistently moist during growing season but avoid waterlogging. Reduce watering after flowering
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Humidity
Moderate humidity; prefers typical garden conditions; provide air circulation to prevent fungal issues
symptoms
Symptoms to look for in Gladiolus
- fiber_manual_recordBrown patches on leaves
- fiber_manual_recordCrispy brown areas
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Common causes in Gladiolus
- 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 Gladiolus
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 Gladiolus
Remove affected leaves. Treat with appropriate fungicide or bactericide. Adjust light exposure.
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Preventing brown spots in Gladiolus
Avoid direct midday sun. Improve air circulation. Water at soil level.