The fabulous Smooth Aster produces a profusion of deep blue, star-like flowers in late autumn after most other plants are long gone. Soil Type(s): Dry Prairie/Mesic Prairie
Scientific Name: Smooth Blue Aster
Hardiness Zone: 4
Height: 36-48"
Foliage Color: Green
Flower Color: Blue
Bloom Time: August-October
Soil Type: Dry Prairie, Mesic Prairie