Aster mongolicus Hortensis Black Flowering Plants and that seems to slow

and that seems to slow slightly with age

It will grow and bloom in full sun to quite heavy shade

The lavender flowers top the 18" wide clump in late summer and often into fall

There are not any significant pest issues for this and most other maidenhair ferns

(aka: Carex 'Snowline'

Aster mongolicus Hortensis Black Flowering Plants and that seems to slow(aka: Kalimeris mongolica, Kalimeris pinnatifida) It's been hard to keep up with the name changes, since this poor plant's identity has been batted around by taxonomists more than a tennis ball on Wimbledon's Centre Court. A favorite of the late garden writer Elizabeth Lawrence, Aster 'Hortensis' is a wonderful, slowly spreading deciduous perennial which arises in spring to form a dense patch of 20" tall, interwoven stems, clothed with apple green,