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Symphyotrichum concolor (Eastern silver aster)
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2 hours care
per year
per year
0.9m
Max height
Max height
0.6m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Symphyotrichum concolor
Other names
Eastern silver aster, Eastern silvery aster, Aster concolor, Aster concolor var. simulatus, Aster plumosus, Aster simulatus, Lasallea concolor, Virgulus concolor, Symphyotrichum concolor var. concolor
Genus
Symphyotrichum Symphyotrichum
Species
S. concolor - S. concolor is an erect, borderline hardy, deciduous perennial with elliptic to lance-shaped, silky-hairy, mid-green leaves and narrow panicles of purple, pink, or white flowers in autumn.
Symphyotrichum concolor is: Deciduous
Habit
Erect
Flower
Lilac in Autumn
Foliage
Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn
How to care
Watch out for
Specific pests
Aphids , Eelworms (leaf and bud) , Michaelmas daisy mite , Slugs , Snails Aphids , Eelworms (leaf and bud) , Michaelmas daisy mite , Slugs , Snails
Fusarium wilt , Grey mould , Leaf spot Fusarium wilt , Grey mould , Leaf spot
General care
Pruning
Cut back after flowering to maintain a compact, bushier habit.
Propagation
Sow seed in a cold frame in autumn or spring.
Propagation methods
Division, Seed, Stem tip cuttings
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Where to grow
Symphyotrichum concolor (Eastern silver aster) will reach a height of 0.9m and a spread of 0.6m after 2-5 years.
Suggested uses
Beds and borders, Bees (attract & feed bees), Cottage/Informal, Flower Arranging, Prairie planting, Wildflower, Woodland
Cultivation
Best grown in sandy soil, well-drained in full sun. Tolerates partial shade. Drought tolerant once established.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
Great for planting with hostas, astilbes, polemonium and other perennials that are getting ragged by September.
Botanical name
Symphyotrichum concolor
Other names
Eastern silver aster, Eastern silvery aster, Aster concolor, Aster concolor var. simulatus, Aster plumosus, Aster simulatus, Lasallea concolor, Virgulus concolor, Symphyotrichum concolor var. concolor
Genus
Symphyotrichum Symphyotrichum
Species
S. concolor - S. concolor is an erect, borderline hardy, deciduous perennial with elliptic to lance-shaped, silky-hairy, mid-green leaves and narrow panicles of purple, pink, or white flowers in autumn.
Native to
Central North America, Eastern North America
Foliage
Deciduous
Habit
Erect
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Colour
Flower
Lilac in Autumn
Foliage
Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn
How to care
Watch out for
Specific pests
Aphids , Eelworms (leaf and bud) , Michaelmas daisy mite , Slugs , Snails
Specific diseases
Fusarium wilt , Grey mould , Leaf spot
General care
Pruning
Cut back after flowering to maintain a compact, bushier habit.
Propagation
Sow seed in a cold frame in autumn or spring.
Propagation methods
Division, Seed, Stem tip cuttings
Monthly care advice
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Where to grow
Symphyotrichum concolor (Eastern silver aster) will reach a height of 0.9m and a spread of 0.6m after 2-5 years.
Suggested uses
Beds and borders, Bees (attract & feed bees), Cottage/Informal, Flower Arranging, Prairie planting, Wildflower, Woodland
Cultivation
Best grown in sandy soil, well-drained in full sun. Tolerates partial shade. Drought tolerant once established.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 10, Zone 9, Zone 8
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Loamy, Sandy | Tell us... |
| Soil drainage: | Well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Full Sun | Tell us... |
| Aspect: | North, South, East, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
COMPANION PLANTS
Great for planting with hostas, astilbes, polemonium and other perennials that are getting ragged by September.
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