Source: Sundaura Alford-Purvis
Plant Names
Symphyotrichum cordifolium
Heart-leaved Aster
Aster à feuilles cordées
Synonyms
blue wood aster
Plant Characteristics
Couleur de floraison: Bleu
Bloom Period: Sep - Oct
Hauteur max: 3,0 feet
Max Width: 2,0 feet (spreads by rhizome)
Light Condition:
Less than 2 or 3 hours of direct sun a day
Soil conditions:
Tolerates medium soil condition
Lifespan:
Vivace
des plantes qui reviennent année après année
Gardener Experience:
Suitable for beginner gardeners
Spreads by rhizome
Facile à germer
Self-seeding
Landscape Uses:
Suitable for rain gardens
Suitable for container garden
Suitable for school gardens
Suitable for woodland gardens
Tolerates boulevard garden conditions
Ecological Benefits:
Butterfly host
Keystone species
Tolerates:
Tolerates limestone conditions
Tolerates sandy conditions
Tolerates juglone conditions
Tolerates transplantation
Special Features and Considerations:
This plant causes skin rashes
Seed and plant distribution status
No seeds available for this plant.
Nous acceptions les semences de cette plante
Faits intéressants
Heart-leaved Aster has heart-shaped leaves and masses of small blue to lavender flowers in late summer and fall. It grows naturally in open forests, woodland edges, and partially shaded slopes. It prefers well-drained soil. Its airy flower clusters make it particularly useful for filling spaces between larger woodland plants.
Plant Location
Native to Ottawa region: Oui
Distribution according to VASCAN
Ephemeral
Native
Introduced
Excluded
Extirpated
Doubtful
Absent
Thrives in Ecozones
- Maritime de l'Atlantique
- Bouclier boréal
- Plaines à forêts mixtes
Ecological Benefits
Butterflies Supported by Symphyotrichum cordifolium
-
Cucullia convexipennis
Brown Hooded Owlet - Noctuelle Huppée de la Verge d'Or -
Eupithecia miserulata
American Common Pug -
Euplexia benesimilis
American Angle Shades -
Leuconycta diphteroides
Green Leuconycta -
Phyciodes cocyta
Northern Crescent - Croissant Nordique -
Trichordestra legitima
Striped Garden Caterpillar
Specialized Bees Supported by Symphyotrichum cordifolium
- 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
- Eurybia divaricata
White Wood Aster
Aster à rameaux étalés - Lobelia inflata
Inflated Tobacco
Lobélie gonflée - Muhlenbergia mexicana
Mexican Muhly
Muhlenbergie du Mexique - Scrophularia marilandica
Eastern/carpenter's Figwort
Scrofulaire du Maryland - Solidago flexicaulis
Zigzag Goldenrod
Verge d'or à tige zigzagante
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)
- NA (Non-native False Sunflower)
- Symphiotrichum (Non-Native Aster)
- Melilotus albus (Sweet White Clover)
- Hesperis matronalis (Dame Rocket)
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: October
- Harvesting indicator:
- Seeds have become fluffy and can be easily removed by shaking on gently pulling off from stem
- Harvesting:
- Secouer le porte-graines dans un sac de papier
- Seed viability test:
- Pas de test requis avant le don
- Packaging measure: 1 rounded 1/4 teaspoon
- Seed storage:
- Sécher à l'air dans un sac en papier ou contenant ouvert, pour quelques jours jusqu'à sec
- Secouer de temps à autre pour prévenir la moisissure
- 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.
Canadensis