Agave striata is an easy-to-grow century plant that looks quite different from the wider leaf types with its narrow, rounded, grey-green, knitting needle-like leaves that are stiff and delightfully painful. the rosette branches and continues to grow, eventually creating a stack of porcupine-like balls. Hailing from the Sierra Madre Orientale mountain range in northeast Mexico, Agave striata has good winter hardiness and has been fine at 0 degrees F in our garden.