Echinocereus pulchellus

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Echinocereus (ek-in-oh-KER-ee-us) (Info)
Species: pulchellus (pul-KEL-us) (Info)
Synonym:Cereus pulchellus
Synonym:Echinocactus pulchellus
Synonym:Echinocereus aguirrei
Synonym:Echinocereus pulchellus subsp. pulchellus


Cactus and Succulents

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Where to Grow:

Suitable for growing in containers


under 6 in. (15 cm)


3-6 in. (7-15 cm)

6-9 in. (15-22 cm)


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

Light Shade


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

Bloom Color:


Magenta (Pink-Purple)

White/Near White

Bloom Time:

Late Spring/Early Summer

Mid Summer


Unknown - Tell us

Other details:

Unknown - Tell us

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:


Propagation Methods:

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


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

Phoenix, Arizona

Tucson, Arizona

Gardeners' Notes:


On May 11, 2005, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

During drought time this species shrinks into the ground.
The 'pulchellus' subspecies has stems that are 1 to 2 inches thick with 9 to 12 ribs and 3 to 7 inconspicuous spines per areole. The flowers are pink or white.
The 'acanthosetus' subspecies has stems that are 0.8 to 1 inch thick with 9 ribs usually and 5 to 8 flailing hairlike spines. The flowers are magenta to white.
The 'sharpii' subspecies has darker colored stems in comparison to the other subspecies that are 0.8 to 2.8 inches thick with 11 to 17 ribs and 7 to 14 spines per areole. The flowers are magenta to white.
The 'weinbergii' subspecies has stems that are 2.4 to 5.1 inches thick with 14 or 15 ribs and 8 to 11 spines per areole. The pink diurnal flower petals are narrowly acute in shape.
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