Sedum odereganum, a native Oregon succulent, is located lower right. Below: Becky wrapped a large, cold-hardy sempervivum Rosette around a small, smaller Sedum confusum and Delosperma Cooperi. Becky describes Sempervivum Black' as shown below, in stark contrast to chartreuse Sedums 'Lemon Coral'. All of my books offer design ideas as well care and cultivation tips for Sedums. All you need is to get familiar with string of pearls caring techniques, including sun exposure and watering. This is one of the best aspects of these plants. They do not require much care to thrive.