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| Category: Succulent |
| Family: Crassulaceae (Stonecrops) |
| Origin: Mexico (North America) |
| Evergreen: Yes |
| Flower Color: White |
| Bloomtime: Summer |
| Height: <1 foot |
| Width: 1-2 feet |
| Exposure: Cool Sun/Light Shade |
| Summer Dry: Yes |
| Irrigation (H2O Info): Low Water Needs |
| Winter Hardiness: 25-30° F |
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Sedum clavatum (Tiscalatengo Gorge Sedum) An attractive succulent in the Pachysedum group that grows to 4 inches tall with stout creeping stems terminating in 2 inch wide rosettes of glaucus blue-green succulent leaves and has a compact inflorescence of many white star-shaped flowers in mid to late spring (April - May in Santa Barbara) to early summer that take a pink hue with age. The stems lose their leaves as they elongate but are often covered by younger stems so the plant can look like a solid mat of attractive succulent gray colored rosettes. Plant in full coastal sun or part sun in a well-drained soil and irrigate occasionally. Though often noted as frost tender we had our plant go undamaged through 3 nights at 25° F in our January 2007 cold spell - perhaps not hardy much below this though we have been told it also does well in the Pacific Northwest. Great in the ground if soil is well-drained, especially trained over or around a rock, in a container planting or hanging basket. Ray Stephenson notes in his book Sedum; Cultivated Stonecrops (Timber Press, 1994) that "This is a very elegant, stately species for hanging baskets." This plant was previously known as an unnamed Sedum species growing along the cliffs on Tiscalatengo Gorge, an area in the Trans-Mexican Volcanic Belt near Villa Guerrero in the state of Mexico. It was first discovered in 1959 by Robert Clausen, Cornel Professor of Botany and author or Sedum of North America North of the Mexican Plateau and later described by him as Sedum clavatum in 1975. The specific epithet comes from the Latin word 'clava' meaning "club" for the baseball shape of the sepals. This plant was an International Succulent Introduction in 1979 (ISI#1161). Cuttings were taken from the Huntington Botanic Garden's plant (HBG#23982) that had been collected by Jorge Meyrán at the type locality.
This information about Sedum clavatum displayed is based on research conducted in our horticultural library and from reliable online resources. We also will relate observations made about it as it grows in our nursery gardens and other gardens we have visited, as well how the crops have performed in containers in our nursery field. We will also incorporate comments that we receive from others and we welcome hearing from anyone with additional information, particularly if they can share any cultural information that would aid others in growing it.
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