At least two speciesācane cholla (Cylindropuntia imbricata) and Whippleās cholla (C. whipplei)āare hardy to ā18 °C (0 °F) or below. The desert Christmas cactus, or tasajillo (C. leptocaulis), holds its bright red fruits through the winter. Teddy bear cholla, or jumping cholla (C. bigelovii), is native to northwesternā¦
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