The desert spoon, sotol is an outstanding accent plant that grows slowly, eventually developing a trunk. At maturity, it reaches 4 to 6 feet high, and spreads up to 5 feet wide, with a canopy coverage of up to 20 square feet. Its narrow, gray-green leaves are sharply toothed along the edges. The desert spoon is native to southern Arizona, and is highly attractive in a desert setting. Once mature, its flower spikes to 12 feet high in the late fall, but the age at which plants actually begin to bloom is unpredictable.
Dasylirion acrotriche, green desert spoon, is almost identical to desert spoon, however its leaves are bright green rather than gray-green – offering more of a subtropical landscape effect.
Source: Lush & Efficient