''Agave deserti'' is an agave native to desert regions in southern California, Arizona, and Baja California. Its tall yellow flower stalks dot dry rocky slopes and washes throughout the spring.
It forms a rosette of fleshy gray-green leaves 20–70 cm long and 4.5–10 cm broad, with sharp spines along the edges and at the tips. It flowers at maturity , sending up an inflorescence 2–6 m tall. The panicle bears numerous yellow, funnel-shaped flowers 3–6 cm long.