What Are the Sunlight Requirements for astilbe 'Amethyst'?
Partial shade

astilbe 'Amethyst' · Astilbe 'Amethyst'
Grow in moist but well-drained or boggy soil in dappled shade, or in indirect sun where the soil remains moisture-retentive in summer. Drought intolerant, may be damaged in hot sun. Good for waterside planting. See Astilbe cultivation
Partial shade