macroacantha Description
Agave macroacantha, also called the Black-Spined Agave, is a compact, clumping succulent native to Oaxaca and Puebla, Mexico. It forms a neat rosette of narrow, bluish-gray leaves that are lined with tiny dark spines and tipped with a sharp, prominent black terminal spine.
This agave is prized for its architectural form and symmetry, making it an excellent choice for pots, rock gardens, or desert landscapes. Over many years, a mature plant produces a tall flower stalk with clusters of yellow flowers, after which the rosette dies—but new pups (offsets) usually grow around it.
🌿 Care Instructions for Agave macroacantha
Light: Needs full sun to partial sun. Indoors, place in the brightest spot possible.
Watering: Very drought-tolerant. Water sparingly; let the soil dry out completely between waterings. In winter, water even less.
Soil: Requires well-draining soil. A gritty cactus/succulent mix is best.
Temperature: Prefers 20–32°C. Can tolerate down to about -3 to -4°C (26°F) if kept dry. Protect from severe frost.
Humidity: Thrives in dry air; no misting needed.
Fertilizer: Feed monthly during the growing season (spring–summer) with a diluted cactus fertilizer. Not needed in winter.
Repotting: Slow grower; repot only every 2–3 years or when pups crowd the pot.
Propagation: By offsets (pups) around the base.
Toxicity: Leaves have very sharp spines; handle carefully and keep away from pets/children.
✨ Key Benefits of Agave macroacantha
Attractive compact rosette with dramatic black spines
Very low maintenance and drought-tolerant
Perfect for containers, rock gardens, and xeriscaping
Excellent choice for modern landscape design
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