Centaurea cyanus 'Blue Boy'
Cornflower 'Blue Boy'
Centaurea Centaurea
'Blue Boy' _ 'Blue Boy' is an upright annual forming a mound of deep blue double flowers in the summer.
Centaurea cyanus 'Blue Boy' is: Deciduous
Upright
Dark-blue in Summer
Green in Summer
Generally pest free
Powdery mildew Powdery mildew
Deadheading helps to prolong the flowering season.
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Centaurea cyanus 'Blue Boy' (Cornflower 'Blue Boy') will reach a height of 0.9m and a spread of 0.6m after 1-2 years.
Beds and borders, Bees (attract & feed bees), Coastal, Containers, Flower Arranging, Wildflower, Wildlife
Grow in well-drained soil in full sun. Autumn sowing will produce larger, earlier-flowering plants.
Loamy, Sandy
Well-drained
Acid, Alkaline, Neutral
Full Sun
South, West
Exposed, Sheltered
Hardy (H4)
We do not currently have companion plants added for this plant.
Centaurea cyanus 'Blue Boy'
Cornflower 'Blue Boy'
Centaurea Centaurea
'Blue Boy' _ 'Blue Boy' is an upright annual forming a mound of deep blue double flowers in the summer.
Deciduous
Upright
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Dark-blue in Summer
Green in Summer
Generally pest free
Deadheading helps to prolong the flowering season.
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Centaurea cyanus 'Blue Boy' (Cornflower 'Blue Boy') will reach a height of 0.9m and a spread of 0.6m after 1-2 years.
Beds and borders, Bees (attract & feed bees), Coastal, Containers, Flower Arranging, Wildflower, Wildlife
Grow in well-drained soil in full sun. Autumn sowing will produce larger, earlier-flowering plants.
Loamy, Sandy
Well-drained
Acid, Alkaline, Neutral
Full Sun
South, West
Exposed, Sheltered
Hardy (H4)
Zone 10, Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4, Zone 3, Zone 2
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This plant likes... | Garden match | |
Soil types: | Loamy, Sandy | Tell us... |
Soil drainage: | Well-drained | Tell us... |
Soil pH: | Acid, Alkaline, Neutral | Tell us... |
Light: | Full Sun | Tell us... |
Aspect: | South, West | Tell us... |
Exposure: | Exposed, Sheltered | Tell us... |
Hardiness: | Hardy (H4) | Tell us... |
Inspired by the mission to support British woodlands and forests for future generations, the garden has been designed to highlight the crucial relationship between soil, fungi and plants, which… read more
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