Blue Bugloss (Anchusa azurea 'Loddon Royalist') is a striking Mediterranean native that brings deep blue flowers to the late spring garden just when color matters most. This clump-forming perennial grows 36 inches tall and spreads 12 to 24 inches wide, thriving in zones 3 through 8 with minimal fussing once established. It blooms from May through June with flowers so vivid and showy they're worth cutting for arrangements, and it handles drought with impressive resilience once its roots settle in.
Full Sun
Moderate
3-8
36in H x 24in W
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Moderate
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The flowers are an arresting, luminous deep blue that seems to glow against the plant's coarse, hairy foliage. Unlike many perennials that fade by midsummer, Blue Bugloss delivers concentrated color exactly when late spring borders need it most. The plant is drought tolerant once established and requires only moderate care, making it rewarding for gardeners who want impact without constant tending.
Blue Bugloss serves as a naturalization plant, thriving in settings where it can self-sow and create drifts of color without intervention. The cut flower qualities make it valuable for fresh arrangements, where its deep blue blooms add striking contrast to mixed bouquets.
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Cut flowers in the morning when fully open for the longest vase life. Blue Bugloss blooms continuously from May through June, so you can harvest stems as needed throughout the season.
Staking or unobtrusive support is recommended for taller specimens to prevent the characteristic flopping of stems. Prompt deadheading of spent flowers keeps the plant tidy and extends bloom season, though it also helps manage the plant's tendency toward foliage decline later in the summer.
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“Anchusa azurea originates from the Mediterranean region and has naturalized across North America, including British Columbia and numerous U.S. states, having escaped cultivation and established itself in wild populations. The species itself tells a story of a plant so vigorous and desirable that it crossed from European gardens into the landscape on its own terms. The 'Loddon Royalist' cultivar represents a gardener's selection valued specifically for its intense flower color and garden performance.”