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PlantFiles: Silver Torch, Snow Pole, Wooly Torch
Cleistocactus strausii

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Cleistocactus (Kly-stoh-KAK-tus) (Info)
Species: strausii

Synonym:Cleistocactus strausii var. straussii
Synonym:Borzicactus strausii
Synonym:Cereus strausii
Synonym:Denmoza strausii
Synonym:Pilocereus strausii

One vendor has this plant for sale.

3 members have or want this plant for trade.

Cactus and Succulents

4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

3-6 in. (7-15 cm)
6-9 in. (15-22 cm)

USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:

Bloom Time:
Blooms repeatedly


Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
From woody stem cuttings
Allow cut surface to callous over before planting
From seed; direct sow after last frost

Seed Collecting:
Bag seedheads to capture ripening seed
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Properly cleaned, seed can be successfully stored

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By palmbob
Thumbnail #1 of Cleistocactus strausii by palmbob

By palmbob
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By mgarr
Thumbnail #3 of Cleistocactus strausii by mgarr

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By RWhiz
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By RWhiz
Thumbnail #7 of Cleistocactus strausii by RWhiz

There are a total of 41 photos.
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2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive AarronIkarus On Sep 12, 2008, AarronIkarus from Onalaska, WA (Zone 8b) wrote:

This plant is found in the wilds of Bolivia and Argentina. Ours bloomed twice last year, but not so far this year. They have a rather bizarre flower.

Neutral PurplePansies On Feb 27, 2004, PurplePansies from Deal, NJ (Zone 7a) wrote:

I've never relished the idea of desert gardening...... but thiss plant looks beautiful......

Positive palmbob On Feb 16, 2004, palmbob from Acton, CA (Zone 8b) wrote:

Great landscape columnar cactus with with fur all over it, and bright red flowers.


This plant has been said to grow in the following regions:

Green Valley, Arizona
Tucson, Arizona
Ontario, California
Reseda, California
San Leandro, California
Spring Valley, California
Austin, Texas

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