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Selenicereus anthonyanus (Fish Bone Cactus)

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Scientific Name

Selenicereus anthonyanus (Alexander) D. R. Hunt

Common Names

Fish Bone Cactus, Fishbone Orchid Cactus, Rick Rack Cactus, Ric Rac Orchid Cactus, Zig-Zag Cactus, St. Anthony’s Rik-Rak

Synonyms

Cryptocereus anthonyanus (basionym)

Scientific Classification

Family: Cactaceae
Subfamily: Cactoideae
Tribe: Hylocereeae
Genus: Selenicereus

Description

Selenicereus anthonyanus is a branched, perennial evergreen cactus. The stems are thick with large leaf-like teeth, up to 3.3 feet (1 m) long and up to 6 inches (15 cm) wide. Epidermis is smooth and green to yellowish green in color. The flowers are pink, red and white, up to 4.8 inches (12 cm) long and up to 6 inches (15 cm) in diameter.

Hardiness

USDA hardiness zone 10a to 11b: from 30 °F (−1.1 °C) to 45 °F (+7.2 °C).

How to Grow and Care

Like most cacti, Cereus are fairly low-maintenance and hardy. Make sure they receive enough water without becoming waterlogged, especially during the summer, and fertilize them for best results. If the roots have become black or overly soft, the cactus could be experiencing root rot – cut away the affected parts and replant. Like all cacti, give them lots of direct sunlight, especially during the summer. Well-drained soil is best, and most Cereus perform well in a soil that contains some organic material. Some recommend avoiding a soil that contains sphagnum moss, though – it can make the cactus vulnerable to root rot.

It may become necessary to repot your Cereus if it outgrows its container. If so, make sure the soil is dry and then remove the pot. Knock away old soil and prune away any rotted or dead roots, then replace it in a new pot and backfill with new soil… – See more at: How to Grow and Care for Cereus

Origin

Native to southern Mexico.

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