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)
Species: rigidissimus subsp. rubispinus

Category

Cactus and Succulents

Water Requirements

Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure

Sun to Partial Shade
Light Shade

Foliage

Unknown

Foliage Color

Unknown

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)

Where to Grow

Can be grown as an annual

Danger

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

Bloom Color

Pink
Magenta (pink-purple)

Bloom Characteristics

Unknown

Bloom Size

Unknown

Bloom Time

Mid Spring
Late Spring/Early Summer
Mid Summer

Other details

Unknown

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