Photo by Melody

PlantFiles: Brown-flowered Hedgehog, Brown-spined Hedgehog
Echinocereus viridiflorus subsp. chloranthus

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Echinocereus (ek-in-oh-KER-ee-us) (Info)
Species: viridiflorus subsp. chloranthus

Synonym:Cereus chloranthus
Synonym:Echinocereus chloranthus

2 members have or want this plant for trade.

Cactus and Succulents

under 6 in. (15 cm)

6-9 in. (15-22 cm)
9-12 in. (22-30 cm)

USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 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:

Bloom Time:
Unknown - Tell us


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:

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
Properly cleaned, seed can be successfully stored


2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive HallerCactus On Mar 7, 2005, HallerCactus from Yakima, WA wrote:

I have this plant in my garden here in Yakima Washington, we are zone 6a .This plant is winter hardy here with no protection. My plant is seven years old and remains one of my favorite winter hardy cactus.

Positive Xenomorf On Oct 16, 2004, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

This plant tends to lose its roots and shrink in the wintertime, but in summertime needs more water. The stems can get up to 5 inches high. The flowers have brown petals with yellow-green centers.

The "chloranthus" subspecies has stems that are cylinder-like and have from 10 to 18 ribs.


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

Phoenix, Arizona
Hesperia, California
San Antonio, Texas

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