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Oreocereus Species, Mountain Cereus

Oreocereuscelsianus var. fossulatus

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Oreocereus celsianus var. fossulatus by palmbob
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Family
Cactaceae (kak-TAY-see-ee)
Info
Genus
Oreocereus (or-ee-oh-KER-ee-us)
Info
Synonym
Borzicactus fossulatus
Oreocereus celsianus var. foveolatus
Oreocereus fossulatus
Pilocereus celsianus var. foveolatus
Pilocereus fossulatus
Sun Exposure
Sun to Partial Shade
Foliage

Unknown - Tell us

Height
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Spacing
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 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
Pink
Magenta (pink-purple)
Bloom Time
Late Spring/Early Summer
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics

Unknown - Tell us

Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

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:

Hesperia, California

San Leandro, California

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Xenomorf
Phoenix, AZ (Zone 9b) | August 2006 | neutral

Another synonym of this plant is Pilocereus foveolatus.

P
P
palmbob
Acton, CA (Zone 8b) | March 2004 | neutral

Slender branching slight hairy columnar cactus from South America.

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