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Diamond Cholla, Branched Pencil Cholla, Diamond Plated Pencil Cholla
Cylindropuntia ramosissima

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Cylindropuntia (sil-in-drop-UN-shee-uh) (Info)
Species: ramosissima (ram-oh-SIS-ee-muh) (Info)
Synonym:Opuntia ramosissima
Synonym:Opuntia tessellata

Category:

Cactus and Succulents

Height:

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)

Spacing:

9-12 in. (22-30 cm)

12-15 in. (30-38 cm)

15-18 in. (38-45 cm)

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Hardiness:

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

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

Danger:

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

Bloom Color:

Red

Bright Yellow

Brown/Bronze

Bloom Time:

Late Spring/Early Summer

Foliage:

Deciduous

Succulent

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

Regional

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

Ajo, Arizona

Chandler, Arizona

Chandler Heights, Arizona

Maricopa, Arizona

Phoenix, Arizona

Tucson, Arizona

Wellton, Arizona

Lucerne Valley, California

Ontario, California

show all

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Nov 21, 2006, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

I've seen this growing in the wild on the 'El Camino Del Diablo Trail' (Devils' Highway) that runs between Ajo and Wellton, Arizona in the Cabeza Prieta National Wildlife Refuge.