Agave STRICTA 'ECHINUS'

Agave STRICTA 'ECHINUS' - Hedgehog agave, Agave stricta 'Echinus'.

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

Representatives of the genus form rosettes of fleshy leaves, often with prickly margins and sharp tips. Leaves can be broad or narrow, colored in gray-green, glaucous, or green shades, sometimes with variegated coloration. The stem is typically shortened. The plants are adapted to prolonged droughts, spreading outward with powerful roots, absorbing moisture from surface layers of 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 robust leaves, forming a panicle- or raceme-like inflorescence at its apex, usually yellow or cream-colored. The fruits are capsules with flat seeds. After seed maturation, the above-ground parts of the mother plant die off, and daughter offshoots grow from the rhizomes.

Agave stricta 'Echinus' branches with age, becoming multi-rosetted; individual rosettes are very dense, globose, and multi-leaved. The leaves are juicy, erect or slightly curved, widened at the base and sharply transitioning into linear, with short-pointed tips, green. The peduncle, 225 cm (7.4 ft) long, is covered with small red or yellow flowers.

Seeds are soaked for 2-3 hours in water or a fungicide solution, then sown to a depth of 0.5-1 cm (0.2-0.4 in) in a light, loose substrate consisting of sand, peat, and perlite, and covered with a layer of soil. Sowings are moistened with a spray bottle, placed in a mini-greenhouse or covered with film, and germinated in the light, but not in the sun, at a temperature of 22–26 °C (72–79 °F). Seedlings need ventilation. It is necessary to avoid waterlogging and drying out of the sowings.

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 light substrate and drainage, and after a year into 8-9 cm (3.1-3.5 in) pots. Mature 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 windows with maximum access to light is preferred. In summer, keeping it on a balcony or in the garden protected from rain is possible. Large specimens in winter are kept in a cool, bright, dry room. 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, watering frequency is reduced. Waterlogging or water stagnation at the roots is not permitted. During the period of active growth 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 gravel is used. Repotting is carried out once every 2–3 years or as needed. The root collar is not buried, and drainage is mandatory.

Shaping is not required. Propagation is carried out by seeds, offshoots, and rhizome cuttings separated in spring or summer.