Sempervivum tectorum - Common Houseleek. "The plant has been traditionally thought to protect against thunderstorms, and grown on house roofs for that reason...." http://en.wikipedia.org/wiki/Sempervivum_tectorum
Angelina Stonecrop - Brilliant chartreuse-yellow, needle-like foliage forms a quick groundcover. Adds cheery color to containers, dry slopes and flowering borders, as well as being a good bulb cover. In winter, foliage turns orange in northern climates. Perennial. #LetsGarden
It's springtime planting season again! Seed and plant catalogs are the harbinger of finer weather and fun times in the outdoors. Using mail order catalogs sometimes need translation. This article will help you decipher plant catalogs.