What Are the Sunlight Requirements for Hydrangea macrophylla 'Blue Bonnet'?
Partial shade

Hydrangea macrophylla 'Blue Bonnet' · Hydrangea macrophylla 'Blue Bonnet'
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
Partial shade