50+ Cornflower Cyanus Flower Seeds-Black Ball-Centaurea Cyanus-Black Bachelor's Button-Tall Double Ball Black Seeds-Fine Tall Perennial-B402
This tall annual is very easy to grow and makes a great addition to the summer border. The color is a deep, rich claret which is as close to black as possible. Centaurea Cyanus Black Ball certainly adds drama! Cornflowers are especially nice in traditional cottage gardens, and they make an excellent cut flower. Also known as Bachelor's Button Black Ball, these flowers are native to much of the United States. Cornflower Centaurea Cyanus is a very fine tall variety, a double flowered cultivar of the blue wildflower form, with lance shaped, long and graceful leaves. The upper half of the plant has multiple stems which produce many flowers from early summer until frost. A favorite annual flower and cottage garden staple, a single cornflower looks like a burst of fireworks. The flowers appear from early to late summer Bachelor's Button plants prefer full sun in mild climates and partial shade in the hottest regions. They tolerate a wide variety of soils as long as it drains well. Centaurea Cyanus performs the best in mild climates with moderate water, but the plants can tolerate drought. Cornflowers are very attractive to both bees and butterflies, but fortunately deer leave the plants alone.
Growing Cornflower Flower: Directly sow seeds outdoors in early spring as soon as soil can be worked. Prepare seedbed by loosening soil and weeding. Sow the flower seed in rows ensuring you sow at least 6 seeds per foot. Thin young plants to 6 - 12 inches apart. In mild winter climates, seed can be sown in the fall for very early blooms the following spring. Cornflowers will drop their mature seeds and often self-sow providing climate conditions work out.
Light Required: No
Depth: 1/4 inch
Sowing Rate: 10 - 12 seeds per plant or 6 seeds per foot
Moisture: Keep seeds moist until germination
Plant Spacing: 6 - 12 inches
Season: Annual
Hardiness Zones: 3 - 10
Height: 32 inches
Bloom Season: Late spring to early fall
Bloom Color: Black
Environment: Full sun to partial shade
Soil Type: Well-drained, pH 6.6 - 7.8
Temperature: 65 F (18 C)
Average Germ Time: 14 - 21 days
