How to Prune astilbe 'Snowdrift'?
Cut back stems and foliage before growth commences in spring

astilbe 'Snowdrift' · Astilbe 'Snowdrift'
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
Cut back stems and foliage before growth commences in spring