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Leaf Spot in Geranium Zonal
How to identify and treat leaf spot in Geranium Zonal.
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Geranium Zonal care requirements
water
Water moderately; allow soil to dry between waterings; overwatering is the primary cause of decline
soil
Well-draining potting soil or garden soil; tolerates poor soil; pH 6.0–7.0
light
Full sun (6–8 hours daily); bright light indoors; insufficient light causes leggy growth
symptoms
Symptoms to look for in Geranium Zonal
- fiber_manual_recordCircular brown or black spots
- fiber_manual_recordYellow halos around spots
- fiber_manual_recordPremature defoliation
help
Common causes in Geranium Zonal
Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.
healing
How to treat leaf spot in Geranium Zonal
Remove affected leaves. Apply appropriate fungicide or bactericide.
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Preventing leaf spot in Geranium Zonal
Water at soil level. Improve air circulation. Practise crop rotation.