Ferocactus EMORYI 'COVILLEI'

Ferocactus EMORYI 'COVILLEI' - Emory's barrel cactus 'Covillei', Coville's barrel cactus, Ferocactus emoryi 'Covillei'.

Ferocactus is a genus of large succulents in the family Cactaceae, comprising about thirty species. All of them originate from arid regions of the southwestern United States and northern Mexico, where they grow on stony slopes, gravel plains, and in dry semi-deserts, enduring the harsh conditions of a desert climate.

Representatives of the genus are large spherical and barrel-shaped cacti with powerful prominent ribs and large areoles. Their main distinction is very robust spines, often brightly colored red, yellow, or white, rigid, straight, or hook-shaped.

Flowering occurs in summer. The flowers are large, reddish, yellow, or pink, opening at the apex of the plant in a crown. The fruits are oblong, fleshy, drying out upon ripening. Seeds are small, black or brown, rounded, with a glossy surface.

Emory's barrel cactus 'Covillei' is a subspecies distributed from southern Arizona to northern Sonora in Mexico, where it grows in low-elevation deserts. Young plants are tuberculate, developing distinct ribs with age, while mature specimens elongate and become cylindrical rather than barrel-shaped. Roots are thick and white.

Spines in the areole number 5-9; they are all similar to each other, radiating outward, 2.5-5 cm (1.0-2.0 in) long, and unlike the typical subspecies do not have a hook at the tip. Flowering occurs in summer: flowers are large, 6-7.5 cm (2.4-3.0 in) across, reddish on the outside and bright red inside. The fruits are oblong, bright yellow, 2.5-5 cm (1.0-2.0 in) long, remaining on the plant for a long time.

Ferocactus seeds are small, black or brown, rounded, with a glossy surface. Soaking such seeds is impractical, so the substrate itself is disinfected: before sowing, it is drenched with a weak solution of potassium permanganate and dried. Scarification and stratification are not required.

Sowing is carried out on the surface of a moistened mineral substrate with the addition of fine sand, without burying. The sowing is moistened from a spray bottle with a growth stimulant solution: SUPERthrive, HB-101, Aminozol, Epin, or Zircon, covered with a transparent dome or placed in a mini-greenhouse, and kept at a temperature of 22-26 °C (72-79 °F) with daily ventilation.

Under favorable conditions, the first sprouts appear after a week, main germination is usually completed within 3 weeks, and in individual cases extends up to 30-40 days. Pricking out is carried out after the appearance of the first spines: seedlings are carefully transplanted into individual pots and kept under diffused lighting.

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Ferocactus is successfully cultivated in indoor conditions. The plant is placed in a bright sunny spot, preferably near a southern window or in a greenhouse, with maximum light levels and regular ventilation.

In summer, a temperature of 22-30 °C (72-86 °F) is maintained; in winter, cool maintenance at 8-12 °C (46-54 °F) in a state of complete rest is preferred.

Watering is carried out with soft water after the substrate has dried out completely. In the cold period, watering ceases entirely to avoid root rot.

A coarse-grained mineral substrate is used, with the addition of coarse sand, brick grit, and perlite. Preference is given to deep pots with mandatory drainage. Repotting is carried out in spring as needed.

Fertilizer is applied during the growing season with fertilizer for cacti and succulents, and is not used during the dormant period.

Shaping and pruning are not performed. Ferocactus is propagated predominantly by seeds - it grows slowly and rarely produces offsets.