Astilbe x arendsii 'Amethyst'
40 - 60 cm
August - September
well drained, humus rich, fertile
acid - neutral - alkaline
The genus Astilbe belongs to the Saxifragaceae family. Most species are native to E-Asia. They need fairly moist soil and a sunny, sheltered position. Many cultivars flower too late for Icelandic conditions and it's therefore important to choose early flowering cultivars.
Division in spring.
Flowers late. Flowering is not guaranteed, needs a long, warm summer to flower.