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Beginner
skill rating |
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0.5m
max. spread |
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1m
max. height |
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1-2 years
to maturity |
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1 hour care
per year |
Botanical name: Centaurea cyanus
Other names: Cornflower, Witches' bells, Ragged robin, Happy skies, Haw dods, Hurtsickle, French pink, Brushes, Bunk, Blue tops, Bluets, Blawort, Ragged sailor, Cornbottle, Corn centaury, Break-your-spectacles, Blue bow, Blue poppy, Blue bonnets, Blue bottle, Barbeau, Blaver
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Genus: Centaurea
Species: C. cyanus - C. cyanus is an annual with lance-shaped, grey-green leaves and blue flowers that open from thistle-like buds in summer to early autumn.
Centaurea cyanus is: Deciduous
Flower: Dark-blue in Spring; Dark-blue in Summer
Foliage: Green in Summer
Habit: Upright
Centaurea cyanus (Cornflower) will reach a height of 1m and a spread of 0.5m after 1-2 years.
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Suggested uses: Beds and borders, Bees (attract & feed bees), Coastal, Containers, Flower Arranging, Wildflower, Wildlife
Cultivation: Grow in well-drained soil in full sun. Autumn sowing will produce larger, earlier-flowering plants.
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| Soil types: |
Loamy, Sandy |
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| Soil drainage: |
Well-drained |
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| Soil pH: |
Acid, Alkaline, Neutral |
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| Light: |
Full Sun |
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| Aspect: |
South, West |
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| Exposure: |
Exposed, Sheltered |
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| Hardiness: |
Hardy (H4) |
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We list 3 suppliers who tell us they sell Centaurea cyanus (Cornflower). In order to see the list you'll need to either register or log in as a full member.
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