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Botanical Name: Agave macroacantha Black Spine
Mature Size: 2.5-3ft H, 3-4ft W
Light Requirement: Sun to Partial Shade
Water Need: Very Low
Cold Hardiness: Zone 9 (20 to 25F) to 11 (above 40F)
Description: Cultivar. Narrow blue-gray leaves tipped with black spines; dark teeth along margins. Compact rosette. Monocarpic (dies after blooming) but produces offsets, allowing the colony to expand slowly. Flower spike, at 10-15 years, can reach 8-12 feet tall. Reddish-purple blooms attract pollinators. Tolerant of heat; drought; benefits from afternoon shade in hot; highly reflective sites. Ideal for containers, rock gardens, and modern xeriscapes where striking form can be showcased.