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Asteraceae
Symphyotrichum subspicatum
Symphyotrichum subspicatum
Also known as Aster oreganus, Aster grayi, Aster subspicatus var. grayi, Symphyotrichum subspicatum var. grayi
Flowering Plants · Native Plants · Native Wildflower · Aster · Perennial · Pollinator · Pacific Northwest · Woodland · Part Shade · Fall Blooming · Wildlife Garden
Douglas's aster is a resilient native perennial that thrives in partial shade with consistent moisture, making it ideal for woodland garden edges and naturalized areas. Plant it in well-draining soil and water regularly during dry spells, especially in its first season while establishing. Once settled, it requires minimal care and rewards you with a late-season flush of lavender-blue daisy-like flowers beloved by pollinators.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water deeply until soil is moist, then allow the top inch to dry between waterings · Every 7-10 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6–7.5
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed, Division, Cutting
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 4 ft
- Spread
- 4 ft
- Spacing
- 18 in apart
- Growth rate
- Fast
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Alaska, Alberta, British Columbia, California, Idaho, Montana, Oregon, Washington
- Attracts
- Bees, Butterflies, Birds, Moths
Sources: trefle, usda
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