Eryngium Yuccifolium Rattlesnake Master

Dramatic, sculptural plant with blue green, yucca type leaves that form clumps and send up stiff, stout, stems branched at the top, and bearing spiky balls. Full sun site with excellent drainage. Deeply tap rooted so avoid unnecessary moves.  Zone 3-8.  Average, dry to medium soil. A striking accent plant for sunny dry border with gypsophila, oenothera, and nepeta.