| 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, Sessile, Soft flexible, Pinnate venation, Pubescent, Elliptic, Oblanceolate, Obovate, Entire, Serrulate |
| Flowers: | Head (capitulum), White, Yellow, Violet, Jul-Aug-Sep |
| Fruit: | Achene, Brown, Sep-Oct, (Persistent) |
| Key ID Features: | |
| Leaves mostly alternate, sessile, oblanceolate to narrowly elliptic, 10-22cm long x 2-4cm wide, margins entire or serrate, apices acute; heads with 20-30 violet ray florets that are 10-15mm long, yellow disk florets that turn reddish, July-Sept.; achenes brown or purplish, pappas grey. | |