Echinocereus Species, Arizona Ruby Rainbow Hedgehog, Pink Comb Cactus, Sonoran Rainbow Cactus

Echinocereusrigidissimus subsp. rubispinus

Family
Cactaceae (kak-TAY-see-ee)
Genus
Echinocereus (ek-in-oh-KER-ee-us)
Synonym
Sun Exposure
Sun to Partial Shade
Light Shade
Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
Spacing
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
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
Mid Spring
Late Spring/Early Summer
Mid 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)
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

Queen Creek, Arizona

Tucson, Arizona(2 reports)

Brea, California

Brentwood, California

Goleta, California

Hesperia, California

La Puente, California

Stockton, California

Thousand Oaks, California

Blue Earth, Minnesota

Henderson, Nevada

Albuquerque, New Mexico

Cleveland, Ohio

Spring Branch, Texas

South Jordan, Utah

show all

Featured Videos

Gardener's Notes:

2
positives
1
neutral
0
negative
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F
F
Tucson, AZ | March 2006 | positive

A beautifull plant flowering or not. I've had one in the ground for ten years and it has flowered reliably. The only downside is the flow...Read More

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

The subspecies 'rigidissumus' has stems that reach over 4 inches thick with 15-23 radial spines per areole.
The subspecies 'rubisp...Read More

P
Acton, CA (Zone 8b) | July 2004 | positive

commonly sold cactus, often part of a cactus/succulent variety pot in home garden centers. Small columnar species with very short pink s...Read More

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