You won't find that at Home Depot
The Orange County Register recommends Agaves for your garden.

AGAVE ATTENUATA: The soft succulent is easy to propagate.
Photo: CHAS METIVIER, FOR THE REGISTER
Did I mention that you can get agaves at all your quality local nurseries? And places like Home Depot almost never have any good ones? Those guys are just sad. Now that’s a real specimen plant that you just won’t find at a place like Lowe’s either.