sea holly Eryngium
Photo: Saxon Holt
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Sea Holly


Blue or white cone-shaped blooms that add color, texture, and interesting form from mid- to late summer. The blue flowers of 'Sapphire Blue' sit above jagged blue leaves (and pop against yellow tickseed). Full sun. Up to 2 ½ feet high, 2 feet wide. Zones 5 to 9.
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