Eryngium planum

ëBlue Glitter is a coarse, thistle-like, clump-forming sea holly cultivar that is particularly noted for producing an abundant crop of ìglitteringî steel blue flower heads on heavily branched stems throughout summer. Although developed at least in part for the cut flower industry, this cultivar makes an excellent addition to the home garden. From basal rosettes (to 8î tall) of elliptic to oblong, cordate-based, deeply-toothed, blue green leaves (to 4î long) rise stiff silver-blue stems to 36-40î tall. Tiny, stemless, steel-blue flowers tightly packed into egg-shaped heads resembling this... more »

ëBlue Glitter is a coarse, thistle-like, clump-forming sea holly cultivar that is particularly noted for producing an abundant crop of ìglitteringî steel blue flower heads on heavily branched stems throughout summer. Although developed at least in part for the cut flower industry, this cultivar makes an excellent addition to the home garden. From basal rosettes (to 8î tall) of elliptic to oblong, cordate-based, deeply-toothed, blue green leaves (to 4î long) rise stiff silver-blue stems to 36-40î tall. Tiny, stemless, steel-blue flowers tightly packed into egg-shaped heads resembling thistles appear in profusion in summer in well-branched clusters at the stem tops. Each flower head is subtended by a narrow, spiky collar of spiny, blue-green bracts. (less)