How to Water hydrangea 'Lanarth White'?
Water regularly to keep soil moist, but avoid waterlogging, more in summer.

hydrangea 'Lanarth White' · Hydrangea macrophylla 'Lanarth White'
Grow in moist but well-drained soil in sun or partial shade
Water regularly to keep soil moist, but avoid waterlogging, more in summer.