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Leaf Spot in Red-barked Dogwood
How to identify and treat leaf spot in Red-barked Dogwood.
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Red-barked Dogwood care requirements
water
Keep soil consistently moist, especially during growing season; tolerates wet soils and can grow in boggy conditions
soil
Well-draining to moist soil; adaptable to various soil types including clay and poor soils
light
Full sun to partial shade; at least 4-6 hours of direct sunlight daily for vibrant winter bark coloration
symptoms
Symptoms to look for in Red-barked Dogwood
- fiber_manual_recordCircular brown or black spots
- fiber_manual_recordYellow halos around spots
- fiber_manual_recordPremature defoliation
help
Common causes in Red-barked Dogwood
Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.
healing
How to treat leaf spot in Red-barked Dogwood
Remove affected leaves. Apply appropriate fungicide or bactericide.
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Preventing leaf spot in Red-barked Dogwood
Water at soil level. Improve air circulation. Practise crop rotation.