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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. |