🌱 Morphology
  Slow-growing agave, generally solitary, forming a spectacular compact rosette approximately 50–90 cm tall and 60–120 cm in diameter. The leaves are thick, rigid, and lanceolate, colored bluish-green, greenish-gray, or grayish-blue, and can reach about 40–70 cm in length. The margins feature robust, generally brown or grayish teeth separated from each other, and each leaf ends in a strong, dark terminal spine several centimeters long. The combination of wide, glaucous, and arched leaves creates a highly architectural rosette.

🌍 Distribution, habitat, and family
It is native to the southwest of Texas and northern Mexico, mainly Chihuahua and Coahuila. It grows at elevations of approximately 1,100–1,800 m, on stony and frequently calcareous soils within desert scrublands, grasslands, and open oak and pine forests. It is a species adapted to large temperature fluctuations, drought, and winter cold.
Family Asparagaceae · Subfamily Agavoideae · Tribe Agaveae 

❄️ Temperature · USDA Zone 5b
It tolerates minimum temperatures of up to −26 ºC for short periods and with completely dry substrate. There are reports of specimens that have survived temperatures close to −29 ºC, always under dry cold conditions. Cold accompanied by moisture is considerably more dangerous for the roots.

☀️ Lighting
It needs direct sunlight, although it tolerates light partial shade. Intense exposure promotes the compact development of the rosette and maintains the characteristic grayish-blue hue of the leaves. A PAR radiation of 20–30 mol·m⁻²·day⁻¹ (DLI) is recommended.

💧 Growth cycle and watering
Growth occurs mainly in spring and summer. During the active period, it is recommended to water abundantly and let the substrate dry out completely before the next watering. It is a very drought-resistant species, so it is preferable to under-water rather than maintain permanent moisture. In autumn, watering is gradually reduced, and during winter it can be kept practically dry.

🌸 Flowering
It is monocarpic: the rosette flowers only once upon reaching maturity and then dies, although it may occasionally produce offsets that perpetuate the plant. The inflorescence is a large erect stalk approximately 2–5 m tall, crowned by numerous yellow, yellow-green, or whitish flowers, often aromatic. Flowering occurs mainly in summer. It is considered a very slow-maturing species: approximately 10–20 years to maturity have been documented, although under natural or unfavorable cultivation conditions it may need 20–40 years.

🌿 Nutrition
During active growth, Desert CHOICE® Succulents is recommended, especially for its supply of assimilable potassium and calcium. Potassium promotes water regulation and tissue resistance to stress, while assimilable calcium helps maintain firm leaves and a structurally resilient rosette. It is not recommended to routinely add a specific flowering fertilizer to agaves.

🪴 Pot
30 cm pot

This is an inimitable xerophyte cultivated in Madrid in a technological square pot with substrate activated with mycorrhizal fungi and biofungicides.