Where to buy seeds
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Bachelor Buttons are the romantic European annual that inspired poets and songwriters with their iconic deep blue flowers. These frost-hardy annuals grow 12 to 48 inches tall and mature in just 50 to 60 days, making them one of the fastest routes to cutting garden abundance. The silvery-green foliage, dusted with tiny white hairs, creates an ethereal backdrop for blooms that hold their jewel-tone color even when dried. Thriving in zones 2 through 11 and tolerating drought naturally, they're the kind of carefree flower that rewards direct sowing with reliable, prolific blooms.
Full Sun
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2-11
48in H x ?in W
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Moderate
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The original deep blue hue that gave Bachelor Buttons their storied reputation grows on plants with distinctly silvery foliage created by a fine layer of white hairs covering the leaves and stems. These non-GMO, open-pollinated annuals transition seamlessly from garden to vase, keeping their color brilliantly through drying. At roughly 5,600 seeds per ounce, a single packet gives you the abundance to fill borders, cutting buckets, and dried arrangements throughout the season.
Bachelor Buttons are quintessential cut flowers, prized for their long vase life and exceptional color retention. They're equally valuable for dried arrangements and everlasting bouquets, where they hold their striking blue hue indefinitely. The flowers work beautifully in borders and cottage gardens, and their drought tolerance makes them reliable choices for meadow plantings and low-maintenance landscapes.
No timeline data available yet for this variety.
Start seeds indoors 4 to 6 weeks before your last frost date in soil temperatures between 60 and 70 degrees Fahrenheit. Keep soil moist but not waterlogged during germination.
Transplant seedlings outdoors after the last frost date in your zone (zones 2-11 have varying frost dates). Harden off plants gradually over 7 to 10 days before moving them to their final garden location. Space transplants 12 inches apart.
Direct sow seeds outdoors after the last frost date, or even earlier since Bachelor Buttons are frost-hardy. Plant in well-prepared soil and keep evenly moist until seedlings are established. Thin seedlings to 12 inches apart once they develop true leaves.
Cut flowers for arrangements when blooms are fully open but still firm; they'll continue opening slightly in the vase. Harvest in the early morning when stems are most hydrated. For dried flowers, cut stems just as the bloom reaches full color, tie in small bundles, and hang upside down in a warm, airy location away from direct sunlight. Flowers reach peak maturity around 50 to 60 days from planting.
Pinch back young plants when they reach 6 inches tall to encourage bushier, more branching growth and greater flower production. Deadhead spent blooms consistently throughout the season to redirect energy into new flowers rather than seed production, extending your bloom window through the growing season.
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“Centaurea cyanus is native to Europe, where it has grown wild in grain fields and meadows for centuries. The flower's deep blue color captured so thoroughly in the cultural imagination that it inspired songs and poems across the continent. As a reliable, drought-tolerant annual that seeds itself generously, Bachelor Buttons earned their place in cottage gardens and became a staple of home seed saving traditions. The variety available today remains the classic open-pollinated strain, passed down through generations of gardeners who valued its constancy and the trueness of that legendary blue.”