Aster karstenii
Aster karstenii, an ornamental perennial, thrives in full sun and requires medium watering. It is suitable for USDA zones 5–9 and grows to a height of 0.4–0.8 meters. This plant blooms from August to October with blue and purple flowers. It prefers loamy, clay, or chalky soil and is beneficial for pollinators.
Light
Full sun
Watering
Medium water
Soil
Loamy, Clay, Chalky
Height
0.4–0.8 m
Spread
0.3–0.5 m
Zones
5–9
Flower colors