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Astrophytum capricorne var. niveum (Goat's Horns)

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Scientific Name

Astrophytum capricorne var. niveum Y.Okomura

Common Names

Goat's Horns

Synonyms

Astrophytum niveum, Echinocactus capricornis var. niveus

Scientific Classification

Family: Cactaceae
Subfamily: Cactoideae
Tribe: Cacteae
Genus: Astrophytum

Description

Astrophytum capricorne var. niveum is a slow growing cactus with robust stem, at first globular then cylindrical, up to 20 inches (50 cm) tall and up to 8 inches (20 cm) in diameter. The epidermis is densely covered with white flecks that give the plant a furry look. The spines are 6 to 8 per areole, up to 3.6 inches (9 cm) long, bent upward and not very wavy, brownish-black that turn grey-chalky as they age. The flower is yellow with a red or orange throat and up to 3.6 inches (9 cm) in diameter.

Photo via fotki.com

Hardiness

USDA hardiness zone 9a to 11b: from 20 °F (−6.7 °C) to 50 °F (+10 °C).

How to Grow and Care

Goat's Horn Cactus is a desert cactus, therefore it loves sun and will grow well if provided with plenty of direct sunshine. To young specimens should be provided with indirect sunlight. With inadequate light which could result in poor growth and unnatural shape.

Use alkaline, lime based soil with good drainage as this species is rot prone.

It thrive in average room temperatures between 60 and 75 °F  (16 and 24 °C ) from spring until fall. From late autumn to late winter give them a rest winter at temperatures between 45 and 50 °F (7 and 10 °C).
Normal indoor humidity is fine for Goat's Horn Cactus. Provide good air ventilation for healthy growth.

During the active growth period water this cactus moderately, but allow the top 3/4 of the mixture to dry out thoroughly between waterings. During the rest period give only enough water to prevent the mixture from drying out.… – See more at: How to Grow and Care for a Goat's Horn Cactus

Origin

Native to Mexico.

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