Source: davecz2
Symphyotrichum sericeum
Western Silvery Aster
Aster soyeux
Obsolete Names
silky aster
western silver aster
western silver-leaved aster
No seeds available for this plant.
We currently accept seeds for this plant
Bloom colour: Purple
Bloom period: Sep - Oct
Max Height: 1.0 feet
Max Width: 2.0 feet (spreads by rhizome)
Light condition:
More than 6 hours of direct sun a day
More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil conditions:
Tolerates dry soil condition
Tolerates medium soil condition
Lifespan:
Perennial
plants that will that come back year after year
Gardener Experience:
Does not spread uncontrollably
Self-seeding
Landscape uses:
Suitable for rock gardens
Suitable for Right of Way gardens
Suitable for container garden
Suitable for school gardens
Tolerates boulevard garden conditions
Ecological Benefits:
Supports pollinators
Butterfly host
Tolerates:
Tolerates limestone conditions
Tolerates juglone conditions
Tolerates transplantation
Special Features and Considerations:
This plant is endangered
This plant is septic tank safe
This plant causes skin rashes
Plant Location
Native to Ottawa region: No
Thrives in Ecozones
- Boreal Shield
- Mixed Wood Plains
Ecological Benefits
Butterflies Supported by Symphyotrichum sericeum
- Cucullia convexipennis (Brown Hooded Owlet)
- Eupithecia miserulata (American Common Pug)
- Euplexia benesimilis (American Angle Shades)
- Leuconycta diphteroides (Green Leuconycta)
- Phyciodes cocyta (Northern Crescent)
- Trichordestra legitima (Striped Garden Caterpillar)
Specialized Bees Supported by Symphyotrichum sericeum
- Andrena aliciae
- Andrena asteris
- Andrena canadensis
- Andrena chromotricha
- Andrena hirticincta
- Andrena nubecula
- Andrena placata
- Andrena simplex
- Complexe Colletes americanus
- Complexe Colletes compactus
- Complexe Colletes simulans
- Dianthidium simile
- Melissodes agilis
- Melissodes druriellus
- Melissodes illatus
- Melissodes subillatus
- Melissodes trinodis
- Protandrena andrenoides
- Pseudopanurgus aestivalis
Plants that grow in similar conditions, that bloom at the same time.
Complementary Plants
- No complementary plants found.
Substitute For Non-Native Plants
- Chrysanthemum (Mums)
- Rosa (Non-native Roses)
- Helianthus (Non-Native Sunflower)
- NA (Black Eyed Susan's Cultivars)
- Rudbeckia Triloba (Brown Eyed Susan's)
- Echinacea (Coneflowers)
- NA (Coreopsis cultivars)
- Helianthus).1 (Non-Native Sunflower)
- NA (Non-Native False Sunflower)
- Symphiotrichum (Non-Native Aster)
- Melilotus albus) (Sweet White Clover)
- Hesperis matronalis (Dame Rocket)
Sowing Information
Download Sowing Label (PDF)
- Sowing depth: Surface sow
- Sow by February
- Stratification duration: 60 days
- Self-seeding
Harvesting and Seed Sharing
- Harvest start month: November
- Harvesting indicator: Seeds have become fluffy and can be easily removed by shaking on gently pulling off from stem
- Harvesting mean: Shake seed head in paper bag
- Seed viability test: No test needed before donating
- Packaging measure: 1 rounded 1/4 teaspoon
- Seed storage: Air dry in paper bag or open container, for a few days until crisp, shaking seeds to move them once in a while to prevent molding
- At least one cultivar: No, you can donate without knowing the source as there are only straight species
- No harvesting video available at this time.
Toxicity Notes
Inadequate information on toxicity found.