Eryngium Yuccifolium

An evergreen eryngium, which forms a clump of bluish-green, strap-shaped leaves that have a serrated and spiny edge. In midsummer and autumn, upright, branching flowerspikes emerge bearing rounded or oval shaped flower clusters, which turn shades of greyish-blue, cream or green as they open. A variable plant, which originates from the Eastern States of the US, it is tolerant of poor soil and drought once established.