Eryngium × zabelii 'Jos Eijking' (PBR) - This delightful sea holly has long lasting, flowers that arrive in mid- to late summer, turning bright metallic-blue as they age and usually lasting well into the autumn. They have a strong architectural shape, so are best in uncrowded borders where they can really stand out on their own. Honey bees love their flowers so they are a perfect for adding to a sunny, wildlife-friendly garden.
'Big Blue' Sea Holly for sunny garden, deer-, rabbit-, and drought-resistant perennial shows off silvery foliage and iridescent silvery-blue flowers in midsummer...wonderful cut flower and prime choice for butterfly gardens. Name: Eryngium 'Big Blue' Full sun well-drained soil Size: To 30 inches tall and wide Zones: 4-9