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Centaurea cineraria (Silvery-leaved knapwed)
1 hour care
per year
per year
0.8m
Max height
Max height
0.5m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Centaurea cineraria
Other names
Silvery-leaved knapwed, Dusty miller, Velvet centaurea, Centaurea candidissima, Centaurea gymnocarpa
Genus
Centaurea Centaurea
Species
C. cineraria - C. cineraria is a variable, upright, rarely prostrate, evergreen perennial with woolly, ovate to lance-shaped, silvery-grey leaves, finely-divided into elliptic or lance-shaped lobes and spherical, purple to purple-pink flower heads in summer.
Centaurea cineraria is: Evergreen
Habit
Clump-forming, Erect flower stem
Flower
White, Cream in Spring; White, Cream in Summer
How to care
Watch out for
Pests
Generally pest free
General care
Pruning
Deadhead to prolong the flowering season.
Propagation methods
Division, Seed
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Where to grow
Centaurea cineraria (Silvery-leaved knapwed) will reach a height of 0.8m and a spread of 0.5m after 2-5 years.
Suggested uses
Wildlife, Beds and borders, City, Coastal, Cottage/Informal, Flower Arranging, Wildflower
Cultivation
Grow in neutral to slightly acid, well-drained soil in sun.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Neutral
Light
Full Sun
Aspect
South, West
Exposure
Exposed
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Centaurea cineraria
Other names
Silvery-leaved knapwed, Dusty miller, Velvet centaurea, Centaurea candidissima, Centaurea gymnocarpa
Genus
Centaurea Centaurea
Species
C. cineraria - C. cineraria is a variable, upright, rarely prostrate, evergreen perennial with woolly, ovate to lance-shaped, silvery-grey leaves, finely-divided into elliptic or lance-shaped lobes and spherical, purple to purple-pink flower heads in summer.
Native to
Italy
Foliage
Evergreen
Habit
Clump-forming, Erect flower stem
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Colour
Flower
White, Cream in Spring; White, Cream in Summer
How to care
Watch out for
Pests
Generally pest free
General care
Pruning
Deadhead to prolong the flowering season.
Propagation methods
Division, Seed
Monthly care advice
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Where to grow
Centaurea cineraria (Silvery-leaved knapwed) will reach a height of 0.8m and a spread of 0.5m after 2-5 years.
Suggested uses
Wildlife, Beds and borders, City, Coastal, Cottage/Informal, Flower Arranging, Wildflower
Cultivation
Grow in neutral to slightly acid, well-drained soil in sun.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Neutral
Light
Full Sun
Aspect
South, West
Exposure
Exposed
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4
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, Neutral | Tell us... |
| Light: | Full Sun | Tell us... |
| Aspect: | South, West | Tell us... |
| Exposure: | Exposed | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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