Symphyotrichum laeve
Smooth aster
Aster lisse
Obsolete Names
- glaucous aster
- smooth blue aster
No seeds available for this plant.
We are not accepting seeds for this plant at the moment.
Bloom colour: Blue
Bloom period: September - October
Max Height: 4.0 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 medium soil 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
Tolerates medium soil condition
Lifespan : Perennial
Gardener Experience:
Suitable for beginner gardeners
Does not spread uncontrollably
Easy to germinate
Suitable for beginner gardeners
Does not spread uncontrollably
Easy to germinate
Landscape uses:
Suitable for rock gardens
Suitable for rain gardens
Suitable for shoreline rehabilitation
Suitable for container garden
Suitable for school gardens
Tolerates light foot traffic
Suitable for rock gardens
Suitable for rain gardens
Suitable for shoreline rehabilitation
Suitable for container garden
Suitable for school gardens
Tolerates light foot traffic
Ecological Benefits:
Supports pollinators
Butterfly host
Bee host
Keystone species
Supports pollinators
Butterfly host
Bee host
Keystone species
Tolerates:
Tolerates salt conditions
Tolerates limestone conditions
Tolerates acidic soil conditions
Tolerates juglone conditions
Tolerates transplantation
Tolerates salt conditions
Tolerates limestone conditions
Tolerates acidic soil conditions
Tolerates juglone conditions
Tolerates transplantation
Plant Distribution
Native to Ottawa region: No
Thrives in Ecozones
- Taiga Cordillera
- Ecozone-Boreal Plains
- ecozone-Pacific Maritime
- Ecozone-Mixed Wood Plain
- Ecozone-prairies
- Ecozone-Montane Cordillera
- Ecozone-Boreal Shield
- Boreal Cordillera
- Ecozone-Boreal_Plains
- Ecozone-Pacific_Maritime
- Ecozone-Prairies
- Ecozone-Taiga_Cordillera
- Ecozone-Boreal_Cordillera
Butterflies Supported by Symphyotrichum laeve
- Leuconycta diphteroides (Green Leuconycta)
- Phyciodes cocyta (Northern Crescent)
- Phyciodes tharos (Pearl Crescent)
Bees Supported by Symphyotrichum laeve
- 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
Complementary Plants Plants that grow in similar conditions, that bloom at the same time.
- No complementary plants found.
Sowing Information
- Sowing depth: Surface sow
- Sow anytime
- Stratification duration: 0 days
- Self-seeding
Harvesting Information
- 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
- On Cultivar: Yes, do not donate unless you know source, and there are no known cultivars in your garden or at proximity