Native Plant Database

Callicarpa americana. Photo: Mervin Wallace

Sky Blue Aster

Symphyotrichum oolentangiense (azureus)
Plant Type: Herbaceous Perennials
Native Environment: Savanna / Woodland, Prairie, Glade
Season of Interest:
Main Color: Blue
Fall Color:
Hardy From Zone:
Hardy To Zone:
Sun Exposure 
Full Sun
Soil
Moisture
Dry, Moderate
Nature Attracting
Wildlife Benefit
Butterfly / Moth Host
Animal
Resistance
Size

Height:

24 to
36
inches

Spread:

18 to
24
inches
Size
Height: 24 to
36
inches
Spread: 18 to
24
inches
Size
Height: 24 to
36
inches
Spread: 18 to
24
inches
Typical Landscape Use
Excellent late bloomer for the mixed border. Good plant in the native plant garden, naturalized area, prairie or wildflower meadow.
Establishment and Care Instructions
Grow in full sun or light shade. Moderate to dry soil. Tolerates a wide range of soil types.
Special Features
Special Usage
Fresh Cut Flower
Basic Description

Dozens of blue flowers with yellow centers bloom in fall. The foliage is blue-green and stems are dark. Butterflies, skippers and bees love the nectar. Hosts two butterfly caterpillars.

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Where Can I Find This Plant in Nature?

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