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Eulychnia castanea f. varispiralis


Scientific Name

Eulychnia castanea f. varispiralis


Eulychnia castanea var. varispiralis

Scientific Classification

Family: Cactaceae
Subfamily: Cactoideae
Tribe: Notocacteae
Genus: Eulychnia


Eulychnia castanea f. varispiralis is a variable form of Eulychnia castanea, up to 6.5 feet (2 m) long and up to 4 inches (10 cm) in diameter. It is characterized by curly, whirly spiral growth that can be equally dextrorotatory or levorotatory. This form is very appreciated by collectors but it is very rare.

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How to Grow and Care

Eulychnia is not common in cultivation and only collectors with a specific interest in the genus seem to grow them. It requires full sun or light shade to keep plant compact with strong colored spines. Tends to bronze in strong light, which encourages flowering and heavy spine production. Light shadow my be useful in the hottest summer days. Eulychnia requires light but regular waterings in summer, but let the soil dry between waterings. Keep the soil dry in winter. It need to be kept in a cool place during winter rest and are resistant to light frost if kept on the dry side prior to, and during, cold weather. They are hardy to 28 °F (-2 °C) in short periods. Eulychnia likes very coarse mineral cactus mix soil, but can become too elongated if compost is too rich… – See more at: How to Grow and Care for Eulychnia


Native to Chile (along the coastline from Los Molles north to Talinay, Coquimbo).


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