astilbe, perennial plant of the saxifrage family saxifragaceae. false spirea or false goatbeard. the flowers are small

astilbe perennial plant saxifrage family saxifragaceae flowers pink lilac purple apical inflorescences panicles flower nature garden bloom blossom summer beautiful beauty green flora blooming floral natural bright botany spring outdoor herbaceous color closeup decorative gardening petal ornamental landscape vibrant red park stem botanical bush horticulture season flowerbed landscaping