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Cleistocactus samaipatanus


Scientific Name

Cleistocactus samaipatanus (Cárdenas) D.R.Hunt


Bolivicereus brevicaulis, Bolivicereus croceus, Bolivicereus rufus, Bolivicereus samaipatanus, Borzicactus samaipatanus

Scientific Classification

Family: Cactaceae
Subfamily: Cactoideae
Tribe: Echinocereeae
Genus: Cleistocactus


Cleistocactus samaipatanus is a columnar cactus with lime green stems with 14 to 17 ribs and pale gold, up to 1.2 inches (3 cm) long spines. It grows up to 5 feet (1.5 m) tall. Flowers are brilliant red to pink, up to 2 inches (5 cm) long, and up to 1 inch (2.5 cm) in diameter. They appear in summer. Fruits are small, spherical, and red with white and brown wool.

Cleistocactus samaipatanus

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USDA hardiness zone 9b to 11b: from 25 °F (−3.9 °C) to 50 °F (+10 °C).

How to Grow and Care

Choose a location that gets full sun and has well-draining soil. During the spring and summer, water Cleistocactus when the top inch (2.5 cm) of soil dries out. During the fall, reduce watering to every five weeks if the ground dries out. In winter, keep Cleistocactus dry, or the moist ground combined with the cool temperatures and dormancy may cause the roots to rot. Fertilize Cleistocactus with a low-nitrogen fertilizer during the active growth period. A slow-release fertilizer applied in the spring will be sufficient for the whole year.

It is possible to propagate by cutting a small branch from a Cleistocactus and rooting it, but this inevitably leaves a disfiguring scar near the main stem's base. See more at How to Grow and Care for Cleistocactus.


Native to Bolivia.


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