How to Water hydrangea 'Sheila'?
Consistently moist root zone, add extra water during warm dry weather

hydrangea 'Sheila' · Hydrangea macrophylla 'Sheila'
Grow in moist but well-drained, humus rich soil, ideally in light shade, though will tolerate full sun if soil is not too dry. Mulch in spring, and provide shelter from cold, drying winds. Soil additives may be required to maintain specific flower colours. See shrubby hydrangea cultivation for more detailed advice
Consistently moist root zone, add extra water during warm dry weather