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For successful seedlings,
see the growing notes at the bottom of the page!
Blue wood aster (Symphyotrichum cordifolium) is a robust perennial that can reach heights of 30 to 100 cm. It is distinguished by its large, heart-shaped leaves that are green and slightly toothed, adding a beautiful texture to the garden. In the fall, typically between August and October, this species produces numerous daisy-like flowers ranging from violet to lavender, attracting a wide variety of pollinators, including bees and butterflies. Blue wood aster prefers moist, well-drained soils and thrives in full sun or partial shade. This hardy plant tolerates a range of growing conditions, making it an excellent choice for natural gardens and prairies.
Ecological Role
Blue wood aster plays a key role in its natural habitat. Its flowers provide a valuable source of nectar for pollinators, thereby promoting biodiversity within ecosystems. Additionally, this plant contributes to soil stabilization and can help combat erosion, especially in wet areas.
Blue wood aster seeds require cold stratification to ensure germination. See the cultivation notes below for more details.
Akène cannot assume any responsibility for the use of plants for therapeutic purposes. Always seek advice from a professional before using a medicinal or edible plant.
Sowing and Growing
Technical Details
Seeds per packet: 200
Family: Asteraceae
Scientific name: Symphyotrichum cordifolium
Life cycle: Perennial
Hardiness zone: 3
Soil type: Silty
Soil moisture level: Medium to slightly moist
Soil - additional attributes: Well-drained
Light: Sun, partial shade
Blooming: August to October
Spacing: 40 cm
Height: 75 cm
Deer resistance: Moderate
Stratification: 60 days
Scarification: No
Germination time: 15 to 30 days
Sowing depth: 3 mm