| Scientific Name: | Echinocactus horizonthalonius |
| Synonyms: | Echinocactus equitans |
| Common Name: | Blue Barrel |
| Other Names: | Devil's Head Eagle Claws Turk's Head |
| Etymology: | Echinocactus: echinos (hedgehog); kaktos (thistle) [Greek] Horizonthalonius: horizon (flat and level) [Latin]
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| Origin: | Mexico USA (AZ) USA (NM) USA (TX)
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| Light: | Full sun. |
| Soil: | Lean mix: 1 part potting soil to 2 parts coarse sand. |
| Water: | Typical: Drench soil and let dry from Spring through Fall. Water sparingly during Winter dormancy period. |
| Min Temperature: | 32F. |
| Blooms: | Red |
| Comments: | Purchased DesertPlants, Tucson, AZ. Not easy to cultivate - hard to establish. RIP. Big Bend NP in Texas is a good place to view this plant in the wild. |
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