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Leaf Spot in Centranthus
How to identify and treat leaf spot in Centranthus.
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Centranthus care requirements
water
Drought-tolerant once established; water sparingly. Allow soil to dry between waterings; overwatering causes poor growth
soil
Well-draining, poor to moderately fertile soil (even rocky or gravelly soil is acceptable). Avoid rich soil that promotes excessive foliage
light
Full sun; requires 6+ hours of direct sunlight for best flowering and foliage color
symptoms
Symptoms to look for in Centranthus
- fiber_manual_recordCircular brown or black spots
- fiber_manual_recordYellow halos around spots
- fiber_manual_recordPremature defoliation
help
Common causes in Centranthus
Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.
healing
How to treat leaf spot in Centranthus
Remove affected leaves. Apply appropriate fungicide or bactericide.
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Preventing leaf spot in Centranthus
Water at soil level. Improve air circulation. Practise crop rotation.