James H. Schutte
Family
Asteraceae
Botanical Name
Centaurea cyanus
Plant Common Name
Batchelor's Buttons, Cornflower
General Description
Cornflower is a short-lived annual that can be found growing in northern temperate regions across the globe. Its rich blue blooms are thistle-like in appearance and appear atop tall stems. There are many cornflower cultivars with flowers in shades of blue, purple, pink or white. One notable selection is the dwarf 'Florence White' that becomes covered with bright white flowers. Plant these in sunny sites with well-drained soil and remove spent flowers to prolong bloom time. Cornflower is a useful cutflower and a cottage garden favorite, but it self sows and may naturalize.
Characteristics
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AHS Heat Zone
7 - 1
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Plant Type
Annual
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Sun Exposure
Full Sun, Partial Sun
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Height
1'-3' / 0.3m - 0.9m
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Width
1'-2' / 0.3m - 0.6m
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Bloom Time
Indeterminate
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Native To
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
