How to Fertilize Hydrangea macrophylla 'Sibilla'?
Diluted acid hydrangea feed every two weeks spring to autumn

Hydrangea macrophylla 'Sibilla' · Hydrangea macrophylla 'Sibilla'
Grow in any moist but well-drained soil in partial shade or grow in sun if soil remains reliably moist. See shrubby hydrangea cultivation for further advice
Diluted acid hydrangea feed every two weeks spring to autumn