Moon Cactus, Ruby Ball
Synonym: Echinocactus mihanovichii
Family: Cactaceae
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Recommended Temperature Zone: USDA: 9b-11 Frost Tolerance: Depends on which cactus it is grafted. Minimum Avg. Temperature: 50°F (10°C) Sun Exposure: Light shade Origin: Paraguay Growth Habits: Watering Needs: Summer grower, water regularly in summer, keep rather dry in winter Propagation: |
The top of this cactus is not a fruit or a flower, it is actually the Gymnocalycium. This variety developed in Japan does not have any chlorophyll, and depend for its nourishment on the other cactus on which it is grafted. This other cactus is generally a Hylocereus (as in the picture). Hylocereus are fairly cold sensitive, and somewhat short lived. If possible, it is a good idea to re-graft it on something tougher, like a Trichocereus.
Blooming Habits:
Fruiting Habits:
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