Scientific Name: Symphyotrichum subspicatum
Common Name: Douglas' aster, daisy
Family Name: Asteraceae
Origin: B.C. east of Cascades, B.C. west of Cascades, U.S. - northwest
Hardiness Zone: Zone 4: (-34 to -29 °C)
Plant Type: Herbaceous perennial, Weed (horticultural)
Mature Size: 0.7 - 1.3m x 0.6 - 1.0m (height x width)
Habit: Spreading
Form: Mounded
Texture: Fine
Landscape Uses: Attract beneficial insects, Fall interest, Perennial border
Exposure: Full sun
Soil or Media: Well-drained
Leaves: Simple, Alternate, Basal, Soft flexible, Pinnate venation, Pubescent, Elliptic, Oblanceolate, Obovate, Entire, Serrulate
Flowers: Head (capitulum), Yellow, Violet, Jul-Aug-Sep
Fruit: Achene, Brown, Sep-Oct, (Persistent)
Key ID Features:
Leaves oblanceolate or spoon-shaped to narrowly elliptic or linear, margins entire or serrate, apices acute, basal leaves few (wither after flowering), up to 15cm long. Heads with 20-30 violet ray florets that are 10-15mm long, yellow disk florets that turn reddish, July to Sept.; achenes brown or purplish.