What Are the Moisture Requirements for hydrangea 'Amethyst'?
Moist but well drained

hydrangea 'Amethyst' · Hydrangea macrophylla 'Amethyst'
Best grown in moist but well-drained soil in part shade, although tolerant of sun if soil remains moist. See shrubby hydrangea cultivation for more detailed advice
Moist but well drained