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Brown Spots in Catalpa
verifiedReviewed by the GreenScout Team
A large deciduous tree native to North America, prized for its heart-shaped leaves and showy white or pale yellow flowers with purple spots that bloom in late spring
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Catalpa care requirements
These care conditions are most relevant to brown spots in Catalpa. Check each one as a potential cause.
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Light
Full sun (6+ hours) for optimal growth and flowering; can tolerate partial shade
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Water
Water regularly during establishment; once mature, it is drought-tolerant and prefers moderate moisture during the growing season
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Humidity
Tolerates various humidity levels; good air circulation helps reduce fungal issues
symptoms
Symptoms to look for in Catalpa
- fiber_manual_recordBrown patches on leaves
- fiber_manual_recordCrispy brown areas
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Common causes in Catalpa
- 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 Catalpa
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 Catalpa
Remove affected leaves. Treat with appropriate fungicide or bactericide. Adjust light exposure.
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Preventing brown spots in Catalpa
Avoid direct midday sun. Improve air circulation. Water at soil level.