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PlantFiles: Arizona Pincushion, Cob Cactus
Escobaria tuberculosa

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Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Escobaria (es-koh-BAR-ree-uh) (Info)
Species: tuberculosa

Synonym:Escobaria tuberculosa var. tuberculosa
Synonym:Coryphantha tuberculosa
Synonym:Cactus tuberculosus

Category:
Cactus and Succulents

Height:
under 6 in. (15 cm)
6-12 in. (15-30 cm)

Spacing:
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)

Hardiness:
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)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

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

Bloom Color:
Pale Pink
Pink

Bloom Time:
Mid Spring
Late Spring/Early Summer

Foliage:
Succulent

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:
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

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to view:

By Xenomorf
Thumbnail #1 of Escobaria tuberculosa by Xenomorf

By Xenomorf
Thumbnail #2 of Escobaria tuberculosa by Xenomorf

By Xenomorf
Thumbnail #3 of Escobaria tuberculosa by Xenomorf

By Xenomorf
Thumbnail #4 of Escobaria tuberculosa by Xenomorf

By frostweed
Thumbnail #5 of Escobaria tuberculosa by frostweed

By Xenomorf
Thumbnail #6 of Escobaria tuberculosa by Xenomorf

By Xenomorf
Thumbnail #7 of Escobaria tuberculosa by Xenomorf

There are a total of 11 photos.
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Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Xenomorf On Sep 17, 2004, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

This species has been ID'd in the past as Escobaria strobiliformis, but that type of E. strobiliformis is actually Escobaria chihuahuensis.

Regional...

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

Chandler, Arizona
Maricopa, Arizona
Phoenix, Arizona



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