Grusonia Species, Devil Cholla, Cursed Cholla, Peeble's Cholla, Stanly's Club Cholla

Grusoniaemoryi

Family
Cactaceae (kak-TAY-see-ee)
Genus
Grusonia (gru-SON-ee-uh)
Species
emoryi (EM-or-ee)
Synonym
Cactus stanlyi
Opuntia emoryi
Opuntia stanlyi
Corynopuntia stanlyi
Opuntia emoryi var. stanlyi
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Deciduous
Height
6-12 in. (15-30 cm)
Spacing
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Hardiness
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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Bright Yellow
Bloom Time
Late Spring/Early Summer
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
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
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
Regional

This plant is said to grow outdoors in the following regions:

Chandler, Arizona

Phoenix, Arizona

Tucson, Arizona

Ontario, California

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Gardener's Notes:

1
positive
1
neutral
0
negative
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S
Ontario, CA | October 2005 | positive

There are at least two color varieties: the usual yellow and cream-colored with pink midstripes. I have not seen the latter variety listed anywhere!

X
Phoenix, AZ (Zone 9b) | October 2004 | neutral

Another common is 'Wright's Club Cholla'.
Other synonyms are Grusonia stanlyi & Opuntia emoryi

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