potted_plant
Hollyhock care requirements
water
Water regularly; maintain evenly moist soil during growing season and reduce in dormancy
soil
Well-draining soil; tolerates poor to moderately fertile soil; pH 6.0–8.0
light
Full sun; requires 6+ hours of direct sunlight daily for optimal growth and flowering
symptoms
Symptoms to look for in Hollyhock
- fiber_manual_recordCircular brown or black spots
- fiber_manual_recordYellow halos around spots
- fiber_manual_recordPremature defoliation
help
Common causes in Hollyhock
Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.
healing
How to treat leaf spot in Hollyhock
Remove affected leaves. Apply appropriate fungicide or bactericide.
shield
Preventing leaf spot in Hollyhock
Water at soil level. Improve air circulation. Practise crop rotation.