The silvery-white flowers float above a thick mound of lush green foliage. It is a strong grower with a uniform, free-flowering habit. Blooms are densely packed with as many as 1,500 white flowers per spike. Plant in groups for maximum impact adding hard to find color to the shaded garden. To keep Astilbe looking good for the next year, prune in early spring (the old foliage helps protect the plant from winter damage).