Symphyotrichum cordifolium
Blue wood aster, Aster cordifolius, Heart-leaved aster, Heartleaf aster
Symphyotrichum Symphyotrichum
S. cordifolium - S. cordifolium is an erect, clump-forming, deciduous perennial with broadly ovate to heart-shaped, mid-green leaves and, from late summer into autumn, loose panicles of blue flower heads with yellow centres.
Symphyotrichum cordifolium is: Deciduous
Erect, Clump-forming
Blue in Summer; Blue in Autumn
Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn
Pest free, may suffer from slugs on new growth.
Grey mould , Leaf spot , Verticillium wilt Grey mould , Leaf spot , Verticillium wilt
Cut back in late autumn. Divide every 3-4 years in spring to maintain vigour.
Division
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Symphyotrichum cordifolium (Blue wood aster) will reach a height of 1.5m and a spread of 0.5m after 2-5 years.
Wildlife, Flower Arranging, Cottage/Informal, Coastal, Beds and borders
Prefers moderately fertile, moist soil in partial shade. Mulch after cutting back in late autumn. Stems may need staking.
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Moisture-retentive
Acid, Alkaline, Neutral
Partial Shade
North, South, East, West
Exposed, Sheltered
Hardy (H4)
We do not currently have companion plants added for this plant.
Symphyotrichum cordifolium
Blue wood aster, Aster cordifolius, Heart-leaved aster, Heartleaf aster
Symphyotrichum Symphyotrichum
S. cordifolium - S. cordifolium is an erect, clump-forming, deciduous perennial with broadly ovate to heart-shaped, mid-green leaves and, from late summer into autumn, loose panicles of blue flower heads with yellow centres.
Eastern North America
Deciduous
Erect, Clump-forming
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Blue in Summer; Blue in Autumn
Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn
Pest free, may suffer from slugs on new growth.
Grey mould , Leaf spot , Verticillium wilt
Cut back in late autumn. Divide every 3-4 years in spring to maintain vigour.
Division
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Symphyotrichum cordifolium (Blue wood aster) will reach a height of 1.5m and a spread of 0.5m after 2-5 years.
Wildlife, Flower Arranging, Cottage/Informal, Coastal, Beds and borders
Prefers moderately fertile, moist soil in partial shade. Mulch after cutting back in late autumn. Stems may need staking.
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Moisture-retentive
Acid, Alkaline, Neutral
Partial Shade
North, South, East, West
Exposed, Sheltered
Hardy (H4)
Zone 9, Zone 8, Zone 7, Zone 6, Zone 5
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This plant likes... | Garden match | |
Soil types: | Chalky, Clay, Loamy, Sandy (will tolerate most soil types) | Tell us... |
Soil drainage: | Moisture-retentive | Tell us... |
Soil pH: | Acid, Alkaline, Neutral | Tell us... |
Light: | Partial Shade | Tell us... |
Aspect: | North, South, East, West | Tell us... |
Exposure: | Exposed, Sheltered | Tell us... |
Hardiness: | Hardy (H4) | Tell us... |
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