‘Professor Anton Kippenburg’ is a clump-forming, dwarf selection of New York aster that typically grows in a compact mound to 15” tall and to 18" wide
Daisy-like, semi-double flowers (to 1” diameter) with lavender-blue rays and yellow centers bloom profusely from late summer to early fall
Narrow, oblanceolate to linear medium green leaves (to 4” long). Flowers are attractive to butterflies.
Easily grown in evenly moist to wet, well-drained soil in full sun
Prefers organically rich soils
Tolerant of sandy and clayey soils
Prune stems to 6" in late spring or early summer to encourage a bushier habit, stronger stems, and shorter height if desired
Plants can be cut back after flowering to reduce self-seeding