potted_plant
Hydrangea care requirements
water
Deeply and regularly. Dislikes drought. Mulch to retain moisture.
soil
Moist, well-draining, humus-rich soil. pH affects colour.
light
Morning sun, afternoon shade. Avoid harsh midday sun.
symptoms
Symptoms to look for in Hydrangea
White, powdery coating on leaves, particularly on the upper surface, sometimes causing distorted new growth.
help
Common causes in Hydrangea
Powdery mildew favours warm days and cool, humid nights, and hydrangea's dense foliage and preference for moist soil can create susceptible conditions, especially in shadier spots with poor airflow.
healing
How to treat powdery mildew in Hydrangea
Remove heavily affected leaves, improve airflow by thinning dense growth, and apply a fungicide if the infection spreads.
shield
Preventing powdery mildew in Hydrangea
Ensure good airflow through the shrub, and avoid planting in overly shaded, still spots.