Photo by Melody

PlantFiles: Peruvian Old Man Cactus
Espostoa lanata

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Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Espostoa (es-POS-toh-uh) (Info)
Species: lanata (la-NA-tuh) (Info)

Synonym:Espostoa lanata var. lanata
Synonym:Cephalocereus lanatus
Synonym:Pilocereus lanatus
Synonym:Cleistocactus lanatus
Synonym:Espostoa laticornua

One vendor has this plant for sale.

Category:
Cactus and Succulents

Height:
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

Spacing:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

Hardiness:
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

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

Bloom Color:
Violet/Lavender
Purple

Bloom Time:
Late Spring/Early Summer

Foliage:
Unknown - Tell us

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:
Non-patented

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

Seed Collecting:
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 Espostoa lanata by palmbob

By palmbob
Thumbnail #2 of Espostoa lanata by palmbob

By Xenomorf
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By Xenomorf
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By Xenomorf
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By Xenomorf
Thumbnail #6 of Espostoa lanata by Xenomorf

By palmbob
Thumbnail #7 of Espostoa lanata by palmbob

There are a total of 15 photos.
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Profile:

2 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive go2glenn On Sep 14, 2006, go2glenn from Suwanee, GA (Zone 7a) wrote:

I rescued this cactus from the dying and/or dead shelf at Home Depot. It has been planted in the ground at my home just north of Atlanta, Ga (zone 7a) for two years. The plant is growing well in a protected corner against a block wall. It gets 6 hours of GA sun each day and little water. I am sure the wall and the gravel I used as mulch has provided a "micro-climate" which has enabled this plant to survive the winter. It has grown about one inch per year but has not bloomed as of yet. One final note. DO NOT TOUCH!!! YIKES!

Neutral Xenomorf On Jun 3, 2004, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

This plant has nocturnal flowers, 2 inches in diameter, white to purple in late spring, early summer

More synonyms are Espostoa procera, Cereus dautwitzii, Pilocereus dautwitzii, Oreocereus lanatus, Cactus lanatus & Espostoa dautwitzii.
More common names are "Cotton Ball Cactus; Snowball Cactus & Snowball Old Man"

Positive palmbob On Mar 9, 2004, palmbob from Acton, CA (Zone 8b) wrote:

Another 'hairy' columnar cactus that is completely covered as a younster, but as ages, you get to see patches of the cactus underneath- somewhat blue-green. Very ornamental species.

Regional...

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

Green Valley, Arizona
Phoenix, Arizona
Scottsdale, Arizona
Tucson, Arizona
Hayward, California
Pacific Palisades, California
Thousand Oaks, California
Suwanee, Georgia



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