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

astilbe 'Sprite' · Astilbe 'Sprite'
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 old stems and foliage before new growth commences in spring