Accession Data

Cleistocactus strausii

Common Name: Silver Torch

Family: Cactaceae

Country of Origin: Bolivia and Argentina

Description: This erect columnar cactus is native to Bolivia and reaches up to 10 ft (3 m) in height. Quick and simple to grow, it has multiple, grayish green stems, covered with fine yellowish spines mixed with abundant long white bristle. Profuse deep red, cylindrical flowers develop straight from the stems in late summer, but only on older plants. This species likes full sun and extremely porous soil. Older plants may need staking or they tend to fall over.

Accession Data

USDA Zone: 9-11

Accession #: 198502128

Accession Date: 1985-12-31 00:00:00

Bloom Status: 🪴 Not Flowering

Location: 2216

Quantity: 1

Source: Unknown

Culture: They are mostly robust plants which are easily grown in well-drained soil in a sunny spot. They are moderately frost and drought resistant but may be susceptible to mealy bug and spider mite. Propagate from cuttings or seed.

Classification

Division: Magnoliophyta

Class: Magnoliopsida

Subclass: core eudicots

Order: Caryophyllales

Family: Cactaceae

SubFamily: Cactoideae

Tribe: Cereeae

SubTribe: Trichocereinae

Flowering Data:

This accession has been observed in bloom on:
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007

References

  1. Botanica, Turner & Wasson, 1997, CD-ROM Version
  2. Image #00 (cropped) & #01 (original) from Wikipedia. No attribution information given. Last accessed on Monday, March 05, 2018.

Images

Cleistocactus strausii
Cleistocactus strausii