Agave americana – ‘Century plant’ — This attractive succulent has silver blue-green leaves and will grow to 3–6ft in height and spread up to 6–12ft in width.
While requiring a good amount of space, the Agave americana is an excellent drought tolerant plant, tolerating both dry soils and drought. That being the case it requires full sun and well drained soil. This succulent is reliably winter hardy to USDA Zones 8-10.
The Agave americana is also available in a variegated form pictured below — Agave americana ‘Variegata’. The A. americana ‘ Variegata’ has thin yellow to white stripes along the edges of the leaves.