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Centaurea cyanus (Asteraceae)
A drought tolerant annual, native to Europe, which has naturalized throughout North America. The upper half of the plant is multi-stemmed, producing many flowers. Leaves are covered with small white hairs causing the plant to have a blue-gray appearance. The original flower color is blue, but it is now available in white, pink and red. Prefers full sun in various soil types. An outstanding performer whether your preference is for cutting or admiring.
Average planting success with this species: 80%
Height: 2-3 feet
Germination: 7-25 days
Optimum soil temperature for germination: 60F-70F
Sowing depth: 1/8"
Blooming period: March-May
Average seeds per pound: 96,000
Seeding rate: 4 lbs. per acre
1 oz Covers: 681 sq. ft.
Suggested use: Roadsides, vacant lots, borders, flower gardens.
Miscellaneous: Does well in mixtures. Cornflowers retain their bright colors when dried making them excellent candidates for dried flower arrangements.