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PlantFiles: Arizona Turk's Head, Eagle Claw
Echinocactus horizonthalonius var. nicholii

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Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Echinocactus (ek-in-oh-KAK-tus) (Info)
Species: horizonthalonius var. nicholii

Synonym:Meyerocactus horizonthalonius subsp. nicholii

Category:
Cactus and Succulents

Height:
under 6 in. (15 cm)
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

Spacing:
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
12-15 in. (30-38 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)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

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

Bloom Color:
Pale Pink
Pink
Magenta (Pink-Purple)
White/Near White

Bloom Time:
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 Echinocactus horizonthalonius var. nicholii by Xenomorf

By Xenomorf
Thumbnail #2 of Echinocactus horizonthalonius var. nicholii by Xenomorf

By Xenomorf
Thumbnail #3 of Echinocactus horizonthalonius var. nicholii by Xenomorf

By Xenomorf
Thumbnail #4 of Echinocactus horizonthalonius var. nicholii by Xenomorf

By Xenomorf
Thumbnail #5 of Echinocactus horizonthalonius var. nicholii by Xenomorf

By leeann6
Thumbnail #6 of Echinocactus horizonthalonius var. nicholii by leeann6

By Xenomorf
Thumbnail #7 of Echinocactus horizonthalonius var. nicholii by Xenomorf

There are a total of 18 photos.
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Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Jon0523 On Sep 5, 2009, Jon0523 from Green Valley, AZ wrote:

In my southern Sonora Desert zone 9B garden I have numerous E. horizonthalonius in the landscape and in group plantings in pots. My specimens come from Texas where they has been salvaged from contruction sites. These are marvelous plants which begin to bloom in May with repeat blooming throughout the heat of the summer and into September.

Neutral Xenomorf On Aug 26, 2005, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

Other common names this plant goes by are; Devil's Head Cactus; Mancacaballo; Mancamula; Melon Cactus; Viznaga Meloncillo; Blue Barrel Cactus; Nichol's Turk's Head; Turk's Cap Cactus.

Regional...

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

Robertsdale, Alabama
Green Valley, Arizona
Phoenix, Arizona
Bostonia, California
Kermit, Texas
Lubbock, Texas



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