Centaurea cheiranthifolia
Cyanus cheiranthifolius, Yellow knapweed, Yellow perennial cornflower
Centaurea Centaurea
C. cheiranthifolia - C. cheiranthifolia is an upright, clump-forming, herbaceous perennial with broadly lance-shaped, hairy, grey-green leaves and, in summer, slender, erect stems bearing large, creamy-white to pale yellow flower heads with purple stamens.
Centaurea cheiranthifolia is: Deciduous
Clump-forming, Erect flower stem
Cream in Summer
Grey-green in Spring; Grey-green in Summer; Grey-green in Autumn
Generally pest free
Powdery mildew Powdery mildew
Deadhead to prolong the flowering season. Cut back after flowering to promote the production of new leaves.
Division, Seed
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Centaurea cheiranthifolia (Yellow knapweed) will reach a height of 0.5m and a spread of 0.5m after 2-5 years.
Wildlife, Beds and borders, City, Coastal, Cottage/Informal, Flower Arranging, Wildflower
Grow in well-drained, neutral to alkaline soil in sun.
Loamy, Sandy
Moist but well-drained, Well-drained
Alkaline, Neutral
Full Sun
South, West
Exposed
Hardy (H4)
We do not currently have companion plants added for this plant.
Centaurea cheiranthifolia
Cyanus cheiranthifolius, Yellow knapweed, Yellow perennial cornflower
Centaurea Centaurea
C. cheiranthifolia - C. cheiranthifolia is an upright, clump-forming, herbaceous perennial with broadly lance-shaped, hairy, grey-green leaves and, in summer, slender, erect stems bearing large, creamy-white to pale yellow flower heads with purple stamens.
Deciduous
Clump-forming, Erect flower stem
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Cream in Summer
Grey-green in Spring; Grey-green in Summer; Grey-green in Autumn
Generally pest free
Deadhead to prolong the flowering season. Cut back after flowering to promote the production of new leaves.
Division, Seed
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Centaurea cheiranthifolia (Yellow knapweed) will reach a height of 0.5m and a spread of 0.5m after 2-5 years.
Wildlife, Beds and borders, City, Coastal, Cottage/Informal, Flower Arranging, Wildflower
Grow in well-drained, neutral to alkaline soil in sun.
Loamy, Sandy
Moist but well-drained, Well-drained
Alkaline, Neutral
Full Sun
South, West
Exposed
Hardy (H4)
Zone 9, Zone 8, Zone 7, Zone 6, Zone 5
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This plant likes... | Garden match | |
Soil types: | Loamy, Sandy | Tell us... |
Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
Soil pH: | Alkaline, 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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