Agave PARRYI 'TRUNCATA'

Agave PARRYI 'TRUNCATA' - Artichoke Agave, Truncate Parry's Agave, Agave parryi 'Truncata'.

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

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

Flowering occurs at the age of 15-20 years, after which the plant dies. A tall flower stalk emerges from the rosette of robust leaves, bearing an inflorescence in the form of a panicle or raceme at the top, usually yellow or cream-colored. The fruits are capsules with flat seeds. After the seeds mature, the aboveground parts of the mother plant die off, and daughter offsets grow from the rhizomes.

Artichoke agave is a succulent plant that forms dense rosettes of wide, short, thick, silvery-blue leaves with prominent reddish-brown teeth. It is crowned with a magnificent flowering spike that can reach up to 5 m (16.4 ft) and bears dense clusters of yellow flowers with an orange tint in bud. The rosette dies after flowering, but new rosettes formed by offsets take root at the base of the mother rosette, forming colonies.

Seeds are soaked for 2-3 hours or in fungicide, 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. The sowing is moistened from a spray bottle, placed in a propagator or covered with film, and germinated in light, but not direct 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 the appearance of 2-3 true leaves, picking is carried out 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 windows with maximum access to light is preferable. In summer, keeping it on a balcony or in the garden with protection 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 lower than 10 °C (50 °F) in winter.

Watering is carried out moderately, only after the soil dries out. In winter, watering frequency is reduced. Waterlogging or stagnant water at the roots is not allowed. During the period of active growth from March to August, special fertilizers for cacti and succulents with a 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 needed. The root collar is not buried, and drainage is mandatory.

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