Shaw's agave is a striking coastal succulent native to the Pacific borderlands of Baja California and southern California, where it thrives in the driest, rockiest conditions imaginable. Hardy in zones 9b through 10, this Mediterranean-climate native grows into an impressive rosette reaching 2 to 3 feet tall and 3 to 4 feet wide, crowned with dramatic blue-gray leaves edged in sharp red spines that catch the sunlight like weaponry. From late winter through spring, it sends up showy flower spikes that attract hummingbirds and butterflies, rewarding patient gardeners with one of the most architectural and low-maintenance plants available for drought-prone gardens.
Full Sun
Moderate
9-10
36in H x 48in W
—
High
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This is a plant built for neglect in the best possible way. Once established, Shaw's agave refuses supplemental water and thrives in the kind of dry, rocky soil that defeats most ornamentals. The red-spined leaves are genuinely stunning, creating year-round visual drama without requiring pruning, fertilizing, or fussing. It spreads slowly by offsets to form small colonies, giving you more plants over time, and the winter-to-spring bloom attracts hummingbirds reliably. In zones 9 and 10, this is one of those set-it-and-forget-it plants that actually improves with benign neglect.
Shaw's agave is grown primarily as an ornamental architectural accent plant in drought-tolerant and native plant gardens. Its dramatic form and seasonal flowers make it valuable in xeriscaping, coastal gardens, and Mediterranean-style landscapes where water conservation matters.
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