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Plant Families / Centaurea - Cornflowers


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Centaurea - Cornflowers

Centaurea is a vast genus of about 450 species of annuals, perennials, and subshrubs which are grown for their showy thistle-like flowers in shades of pink, yellow, white, and true blue. Easy to grow, they are perfect in borders, rock gardens, as bedding, for naturalizing or at home in a vase. 

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Centaurea americana (Basket Flower)

Rich of a sweet, honey fragrance, Centaurea americana (Basket Flower) is a magnificent annual boasting very large flowers, 4-5 in. across (10-12 cm), with pinkish lavender ray flowers surrounding creamy disc flowers. Blooming profusely in late spring to late summer, the blossoms open from architectural, egg-shaped flower buds covered with a woven-looking pattern of bristled scales.

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Centaurea atropurpurea (Dark Purple Knapweed)

Centaurea atropurpurea (Dark Purple Knapweed) is a clump-forming, woody-based perennial with deep ruby-red, thistle-like flowers in summer. Attracting bees, butterflies and other admirers, the blossoms open from attractive bronze-colored scaled buds. They sit atop strong, upright stems above a rosette of feathery, silver-gray leaves.

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Centaurea cyanus 'Black Gem' (Cornflower)

Bearing charming and profuse flowers for months, Centaurea cyanus 'Black Gem' (Cornflower) is an attractive annual with ruffled, dark maroon, thistle-shaped flowers. Blooming abundantly from spring to early fall, the blossoms rise cheerfully atop branching stems clad with lance-shaped, silvery-green leaves. Attracting bees, butterflies and other admirers, this cornflower is excellent for cutting.

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Centaurea cyanus 'Blue Diadem' (Cornflower)

Bearing charming and profuse flowers for months, Centaurea cyanus 'Blue Diadem' (Cornflower) is an attractive annual with sky blue double flowers adorned with dark purple stamens. Blooming abundantly from spring to early fall, the blossoms rise cheerfully atop branching stems clad with lance-shaped, silvery-green leaves.

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Centaurea cyanus 'Jubilee Gem' (Cornflower)

Bearing charming and profuse flowers for months, Centaurea cyanus 'Jubilee Gem' (Cornflower) is an attractive annual with bright blue, double-flowered, thistle-shaped flowers. Blooming abundantly from spring to early fall, the blossoms rise cheerfully atop branching stems clad with lance-shaped, silvery-green leaves.

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Centaurea cyanus 'Pinkie' (Cornflower)

Bearing charming and profuse flowers for months, Centaurea cyanus 'Pinkie' (Cornflower) is an attractive annual with ruffled, soft pink double flowers. Blooming abundantly from spring to early fall, the blossoms rise cheerfully atop branching stems clad with lance-shaped, silvery-green leaves.

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Centaurea cyanus 'Snowman' (Cornflower)

Bearing charming and profuse flowers for months, Centaurea cyanus 'Snowman' (Cornflower) is an attractive annual with ruffled, pure white double flowers. Blooming abundantly from spring to early fall, the blossoms rise cheerfully atop branching stems clad with lance-shaped, silvery-green leaves.

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Centaurea cyanus (Cornflower)

Bearing charming and profuse flowers for months, Centaurea cyanus, known as Cornflower or Bachelor's Button, are particularly attractive annual plants with usually double, daisy-like flower heads in shades of blue, pink, lavender, white, and maroon

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Centaurea dealbata 'John Coutts' (Persian Cornflower)

Centaurea dealbata 'John Coutts' (Persian Cornflower) is a vigorous herbaceous perennial boasting showy lavender-pink flowers in summer and early fall. Attracting bees, butterflies and other admirers, the blossoms are carried on upright stems above a bushy clump of jagged lobed leaves white-felted beneath. This Persian Cornflower is well suited to growing in the sunny border, cottage gardens or city gardens.

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Centaurea dealbata (Persian Cornflower)

Centaurea dealbata (Persian Cornflower) is a clump-forming perennial boasting lilac-pink flowers in early to mid summer. Attracting bees, butterflies and other admirers, the blossoms are carried on upright stems above a bushy clump of narrowly oval, lobed, gray-green leaves. Native to the Caucasus, Persian Cornflower is well suited to growing in the sunny border, cottage gardens, meadows and wild gardens.

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Centaurea macrocephala (Giant Knapweed)

Centaurea macrocephala (Giant Knapweed) is a large, clump-forming perennial boasting large, bright yellow, thistle-like flowers, 3-4 in. wide (7-10 cm), enclosed in shiny, papery brown bracts in early to mid summer, Blooming for 2-3 weeks, the blossoms attract bees, butterflies and other pollinating insects.

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Centaurea montana 'Alba' (Mountain Cornflower)

Centaurea montana 'Alba' (Mountain Cornflower) is a vigorous rhizomatous perennial boasting white fringed flowers, sometimes tinged pink, in late spring to early summer. Attracting bees, butterflies and other admirers, the thistle-like blossoms appear atop the foliage of soft, gray-green, lance-shaped leaves.

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Centaurea montana 'Amethyst Dream' (Mountain Cornflower)

Centaurea montana 'Amethyst Dream' (Mountain Cornflower) is a spreading, herbaceous perennial boasting radiant royal-purple, thistle-like flowers in late spring to early summer. Attracting bees, butterflies and other admirers, the blossoms appear atop the foliage of softly haired silver leaves.

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Centaurea montana 'Amethyst in Snow' (Mountain Cornflower)

Centaurea montana 'Amethyst in Snow' (Mountain Cornflower) is a spreading, herbaceous perennial boasting unique, purple-centered, white fringed flowers in late spring to early summer. Attracting bees, butterflies and other admirers, the thistle-like blossoms appear atop the foliage of soft, gray-green, lance-shaped leaves.

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Centaurea montana (Mountain Cornflower)

Prized for its flamboyant, rich blue flowers, Centaurea montana (Mountain Cornflower) is an erect, stoloniferous, clump-forming perennial with fringed, blue flowers, 2 in. wide (5 cm), adorned with reddish blue, thistle-like centers from late spring to early summer.

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