UC Master Gardeners of Monterey Bay Plant Sales
Centaurea cyanus 'Blue Boy Cornflower'
Centaurea cyanus 'Blue Boy Cornflower'
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Centaurea cyanus - 'Blue Boy Cornflower'
Pot Size: Quart, One gallon
Centaurea cyanus are commonly known as "Bachelor’s Buttons". The Cornflower name came about due to their growing as a weed in cornfields, historically. This plant has lance-shaped leaves and thin stems, and can grow to 3 feet. This variety has deep electric-blue blossoms that bloom all summer long. As such, these beautiful old -fashioned flowers are super popular for cottage gardens - a reliable pop of color amidst its more fleeting bloom neighbors. Cornflowers can add depth to a perimeter garden, and also do well in containers- very versatile.
Annual
Zones: 2-11
Size: Grows 24-36 inches in height, and 12 -18 inches in spread.
Light: Cornflowers do best in full sun.
Soil: Cornflowers do best in well-drained soil
Water: Fairly high water requirement- prefers the sun, but needs to be watered often
Bloom: Blooms throughout entire summer
Uses: Adds depth to cottage gardens, garden perimeters, containers. Flowers are edible!
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