Plant Names
Doellingeria umbellata
Flat-topped White Aster
Aster à ombelles
Synonyms
parasol whitetop
tall flat-topped white aster
Plant Characteristics
Bloom Colour: White
Bloom Period: Jul - Sep
Max Height: 5.0 feet
Max Width: 3.0 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
plants that will that come back year after year
Gardener Experience:
Does not spread uncontrollably
Spreads by rhizome
Easy to germinate
Self-seeding
Does not spread uncontrollably
Spreads by rhizome
Easy to germinate
Self-seeding
Landscape Uses:
Suitable for wetland garden
Suitable for rain gardens
Suitable for container garden
Suitable for school gardens
Suitable for wetland garden
Suitable for rain gardens
Suitable for container garden
Suitable for school gardens
Ecological Benefits:
Supports pollinators
Butterfly host
Supports pollinators
Butterfly host
Tolerates:
Deer resistant
Rabbit resistant
Tolerates foot traffic around the plant
Tolerates limestone conditions
Tolerates juglone conditions
Tolerates transplantation
Deer resistant
Rabbit resistant
Tolerates foot traffic around the plant
Tolerates limestone conditions
Tolerates juglone conditions
Tolerates transplantation
Special Features and Considerations:
Seed and plant distribution status
No seeds available for this plant.
We are not accepting seeds for this plant at the moment.
Plant Location
Native to Ottawa region: Yes
Distribution according to VASCAN
Ephemeral
Native
Introduced
Excluded
Extirpated
Doubtful
Absent
Canadensis
Thrives in Ecozones
- Atlantic Maritime
- Boreal Plains
- Boreal Shield
- Mixed Wood Plains
Ecological Benefits
Butterflies Supported by Doellingeria umbellata
- Chlosyne harrisii (Harris Checkerspot)
Specialized Bees Supported by Doellingeria umbellata
No bee data available for this plant.
Complementary Plants
- Carex grayi
Gray's Sedge
Carex de Gray - Prunella vulgaris var. lanceolata
Lance-leaved Self-heal
Brunelle commune - Solidago rugosa
Rough-stemmed Goldenrod
Verge d'or rugueuse - Symphyotrichum puniceum
Purple-stemmed Aster
Aster ponceau - Vernonia gigantea
Giant Ironweed
Vernonie géante
Substitute For Non-Native Plants
- Sorbaria sorbifolia (False spirea)
- Aruncus dioicus (Goat's Beard)
- Thalictrum (Non-Native Meadow Rue)
Sowing Information
Download Seed Envelope Labels (PDF)
- Sowing depth: Surface sow
- Sow by February
- Stratification duration: 60 days
- Self-seeding
Harvesting and Seed Sharing
- Harvest start month: September
- Harvesting indicator:
- Seeds have become fluffy and can be easily removed by shaking on gently pulling off from stem
- Harvesting:
- 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
- Shake seeds to move them once in a while to prevent molding
- Cultivar: No, you can donate without knowing the source as there are only straight species
- Harvesting video: Watch here
Toxicity Notes
Inadequate information on toxicity found.