Agave ATTENUATA

Agave ATTENUATA - Foxtail agave, Swan's neck agave, Spineless agave, Agave attenuata.

Agave is a genus of evergreen perennial herbaceous plants in the Asparagus family (Asparagaceae), comprising about 300 species distributed across the Caribbean islands and arid regions of North, Central, and South America. In cultivation, no more than 50 species are widespread.

Members of the genus form rosettes of fleshy leaves, often with prickly margins and sharp tips. The leaves can be broad or narrow, colored in gray-green, glaucous, or green shades, sometimes with variegated coloration. The stem is generally shortened. The plants are adapted to prolonged droughts, spreading widely with powerful roots, absorbing moisture from the surface layers of the soil, and storing it in their leaves.

Flowering occurs at 15–20 years of age, after which the plant dies. A tall peduncle emerges from the rosette of powerful leaves, atop which an inflorescence in the form of a panicle or raceme forms, usually yellow or cream-colored. The fruits are capsules with flat seeds. After the seeds ripen, the above-ground parts of the mother plant die off, and daughter offshoots grow from the rhizomes.

Foxtail agave is a plant that can grow quite large in a relatively small pot. It is a Mexican plant native to the plateaus of the state of Jalisco.

Seeds are soaked for 2–3 hours in a weak solution of potassium permanganate or fungicide with the addition of stimulants (SUPERthrive, HB-101, Aminozol, Epin, or Zircon), then sown to a depth of 0.5–1 cm (0.2–0.4 in) into a light, loose substrate consisting of sand, peat, and perlite, and covered with a layer of soil. The sowing is moistened with a spray bottle, placed in a mini-greenhouse or covered with film, and germinated in light, but not direct sun, at a temperature of 22–26 °C (72–79 °F). Seedlings require ventilation. Overwatering and drying out of the sowings must be avoided.

Seedlings appear within 15–25 days. The maximum germination period can exceed 40 days. After 2–3 true leaves appear, pricking out is performed into individual 6 cm (2.4 in) pots with a light substrate and drainage, and after a year into 8–9 cm (3.1–3.5 in) pots. Adult specimens are repotted once every 2–3 years.

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The plant can be grown indoors with good lighting. Placement on south- or southwest-facing windowsills with maximum light access is preferred. In summer, keeping it on a balcony or in the garden with protection from rain is possible. Large specimens are kept in a cool, bright, dry room in winter. A temperature of 20–28 °C (68–82 °F) is maintained in summer and not below 10 °C (50 °F) in winter.

Watering is carried out moderately, only after the soil has dried out. In winter, the watering frequency is reduced. Waterlogging or stagnation of water at the roots is not allowed. During the active growth period from March to August, specialized fertilizers for cacti and succulents with low nitrogen content are applied once every 4–6 weeks.

A loose, well-draining substrate with an admixture of sand, perlite, and fine crushed stone is used. Repotting is carried out once every 2–3 years or as necessary. The root collar is not buried, and drainage is mandatory.

Pruning or shaping is not required. Propagation is carried out by seeds, offsets, and rhizome cuttings separated in spring or summer.