Sedum selskianum variegatum has thin striped gold and lime green notched foliage on slowly spreading stems. Eventually it makes a well behaved clump.
Plant in very well drained soil with added aggregate for drainage, and fertilize once a year during the growing season - mix in or topdress with dried and pulverized steer manure, or use compost tea once in a while. The best colour will be in full sun exposure.
One of the very best of all xeric plants to use in your xeriscaping is Sedum - with over 40 different species and varieties from tiny and special types for hypertufa pinch pots, to some of the boldest and hardiest Sedum for Borders, there's ample choice...