Photo by Melody

PlantFiles: Biznagita
Cochemiea poselgeri

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Cochemiea (ko-ke-MEE-a) (Info)
Species: poselgeri (pos-EL-ger-ee) (Info)

Synonym:Mammillaria poselgeri

4 members have or want this plant for trade.

Cactus and Succulents

12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

9-12 in. (22-30 cm)
12-15 in. (30-38 cm)

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:
Sun to Partial Shade

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

Bloom Color:

Bloom Time:
Late Summer/Early Fall

Unknown - Tell us

Other details:
Drought-tolerant; suitable for xeriscaping
Suitable for growing in containers

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:
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
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By palmbob
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By cacti_lover
Thumbnail #3 of Cochemiea poselgeri by cacti_lover

By palmbob
Thumbnail #4 of Cochemiea poselgeri by palmbob

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By Xenomorf
Thumbnail #6 of Cochemiea poselgeri by Xenomorf

By Xenomorf
Thumbnail #7 of Cochemiea poselgeri by Xenomorf

There are a total of 20 photos.
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2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive cacti_lover On Feb 11, 2005, cacti_lover from Henderson, NV (Zone 9b) wrote:

This cactus was originally in the genus Mammillaria, but was moved to the genus Cochemiea. The stem is 1 1/2"- 2" across and can grow to 6' long. Eventually this plant will droop or hang. The scarlet flowers are about 1" across and a little longer. This plant was from southern Baja California. A very nice plant that is easy to grow, but my plant sometimes have problems with meally bugs. Propagation is by cutting.

Positive palmbob On Sep 17, 2004, palmbob from Acton, CA (Zone 8b) wrote:

Highly ornamental species with incredible flowers end of summer- very NON-mammillaria-like showy red-orange flowers on the end of a sometimes very long pendant/prostrate plant covered with hooked spines (columns up to 4' long or more, but doesn't really have any 'height').

Planted it in a pot in yard, and expected it to 'droop' out of pot like I had seen it do at the Huntington... but growth has been more 'standart' upright cactus growth, and flowered wonderfully mid summer in southern California


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

Phoenix, Arizona
Reseda, California
Riverside, California
Henderson, Nevada
Dallas, Texas

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