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Leaf Spot in Hydrangea Petiolaris
How to identify and treat leaf spot in Hydrangea Petiolaris.
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Hydrangea Petiolaris care requirements
water
Keep soil consistently moist during growing season; reduce watering in winter; drought-tolerant once mature and well-established
soil
Rich, well-draining, slightly acidic soil; incorporate organic matter at planting
light
Partial shade to full shade; tolerates deep shade but flowers more profusely with morning sun
symptoms
Symptoms to look for in Hydrangea Petiolaris
- fiber_manual_recordCircular brown or black spots
- fiber_manual_recordYellow halos around spots
- fiber_manual_recordPremature defoliation
help
Common causes in Hydrangea Petiolaris
Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.
healing
How to treat leaf spot in Hydrangea Petiolaris
Remove affected leaves. Apply appropriate fungicide or bactericide.
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Preventing leaf spot in Hydrangea Petiolaris
Water at soil level. Improve air circulation. Practise crop rotation.