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Echinocactus horizonthalonius

Accession Count: 2
Common Name: blue barrel cactus, devilshead, Turk's head cactus
Family Name: Cactaceae
Botanical Name: Echinocactus horizonthalonius
Synonyms:
Botanical Synonyms: Echinocactus horizonthalonius var. nicholii
Sub Species: nicholii
Variety:
Forma:
Cultivar:
Characteristics: Echinocactus horizonthalonius subsp. nicholii is a gray-green cactus with nodes, and seven to thirteen ribs. Along its ribs are spine clusters, each of which contains three central spines and five radial spines. Fruits are covered in wooly hairs.
Compound: Ech hor nic
Geographic Origin: Desert Southwest
Ecozone Origin: Nearctic
Biome Origin:
Natural History:
 The E. horizonthalonius is native to Mexico (Aguascalientes, Chihuahua, Coahuila, Durango, Guanajuato, Nuevo Le) (2).
Cultivation Notes: E. horizonthalonius is a low maintenance plant which grows best in full sun. It is semi-hardy, and can withstand temperatures down to 25°F.
Ethnobotany: Usually, the blue barrel cactus grows solitary, but occasionally in clumps. E. horizonthalonius can also be grown as a container plant in landscaping. Its flowers attract bees.
Height: 0 - 5 feet
Width: 0 - 5 feet
Growth Rate: Moderate Growing
Grow Season:
Flower Season: Spring
Color: Pink
Function: Accent
Spread: Non-spreading
Allergen: Non-allergenic
Invasive: Benign
Toxicity: Benign
Hardy: Semi-hardy
Water Use: Low water Use
Citations:
  1. Anderson, Edward F. The Cactus Family. 1st ed., Timber Press Incorporated, 2001.
  2. llifle.com
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Echinocactus horizonthalonius