| Hybrid: | Yes |
| Hybridizer: | Jakob Eschmann |
| Country of Origin: | (CH) Switzerland |
| Year of registration: | 1964 |
| Origin of name: | Probably named after the Rhône River. |
| History of species or Cultivar: | S. marmoreum x S. arachnoideum x S. ballsii |
| Size: | Medium 2 1/2" to 4" |
| Soil type: | Dry Well draining Loamy / Medium Sandy / light Other: The soil type will depend on what your weather conditions are like. Just make sure it drains well. |
| Foliage: | Other: Many leaves flushed & tipped red form a compact rosette. |
| Water: | Very low Average Does not like wet feet |
| Uses: | Accent Containers |
| Pests and Diseases: | Pest resistant |
| Availability: | Easy to find |
| Source: | SMG Succulents |
| Toxicity: | Low risk None Possible skin irritant to some people |
| Plant Habit: | Cactus/Succulent |
| Life cycle: | Perennial |
| Sun Requirements: | Full Sun Full Sun to Partial Shade Partial or Dappled Shade |
| Minimum cold hardiness: | Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F) |
| Leaves: | Evergreen |
| Flowers: | Showy |
| Flower Time: | Summer Late summer or early fall Fall Other: It may be several years before it blooms |
| Suitable Locations: | Xeriscapic |
| Uses: | Provides winter interest Groundcover |
| Wildlife Attractant: | Bees Butterflies |
| Resistances: | Deer Resistant |
| Propagation: Seeds: | Provide light Stratify seeds: Stratifying seeds may improve germination, but is not required Suitable for wintersowing Sow in situ Will not come true from seed |
| Propagation: Other methods: | Offsets |
| Containers: | Suitable in 1 gallon Suitable in 3 gallon or larger Needs excellent drainage in pots |
| Miscellaneous: | Monocarpic |
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