Photo by Melody

PlantFiles: Acharagma
Acharagma aguirreanum

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Acharagma
Species: aguirreanum

Synonym:Gymnocactus aguirreanus
Synonym:Escobaria aguirreana
Synonym:Thelocactus aguirreanus

Cactus and Succulents

Unknown - Tell us

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

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
Sun to Partial Shade
Light Shade

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

Bloom Color:
Pale Yellow
Bright Yellow

Bloom Time:
Late Winter/Early Spring
Mid Spring

Unknown - Tell us

Other details:
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
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 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

Click thumbnail
to view:

By cactusman8
Thumbnail #1 of Acharagma aguirreanum by cactusman8

By CactusJordi
Thumbnail #2 of Acharagma aguirreanum by CactusJordi

By CactusJordi
Thumbnail #3 of Acharagma aguirreanum by CactusJordi


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive cactusman8 On Aug 27, 2006, cactusman8 from San Marcos, TX (Zone 8b) wrote:

I have 5 specimens of this species, all grown from seed obtained from Mesa Garden as catalog #370.9. They have retained the old classification Escobaria aguirrianus in their listings. These plants are about 7 -1/2 years old and the largest is about 1-7/8" in diameter. None have offset, so propagation is only from seed. Although the small yellowish, reddish cream colored flowers are unremarkable, the dark spines contrast beautifully with the rich green plant body. They are not at all difficult to grow in my zone, even in a naturally vented greenhouse where temperatures reach about 120 degrees. However, they will not tolerate any degree of frost.

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