Blue Barrel, Eagle's Claw

Echinocactushorizonthalonius

Family
Cactaceae (kak-TAY-see-ee)
Genus
Echinocactus (ek-in-oh-KAK-tus)
Synonym
Meyerocactus horizonthalonius
Sun Exposure
Full Sun
Sun to Partial Shade
Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
15-18 in. (38-45 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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Pink
Magenta (pink-purple)
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Can be grown as an annual
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
By dividing rhizomes, tubers, corms or bulbs (including offsets)
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
Regional

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

Green Valley, Arizona

Phoenix, Arizona

Bostonia, California

Reseda, California

Las Cruces, New Mexico

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Gardener's Notes:

0
positive
3
neutrals
0
negative
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P
Acton, CA (Zone 8b) | July 2006 | neutral

I aquired one of these a few years ago, sort of expecting a larger plant (mail order).. got this sphere smaller than a ping pong ball, an...Read More

X
Phoenix, AZ (Zone 9b) | August 2005 | neutral

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

S
Oklahoma City, OK (Zone 7a) | November 2004 | neutral

The main part of this plant is a chalky blue color. Flower color varies from pink to rose red and can be up to 3" in diameter. Fruit is...Read More

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