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Sempervivum

SEMPERVIVUM There is something to be said for Semps, they are great for filling crevices in the rockwork and stopping erosion, and if they were not so easy to grow, they would be considered great treasures. We urge you to take a fresh look at some of the newer hybrids and add them to your rock gardens; they look great (unless you plant them in old boots) and will continue to look great long after your Androsace vandellii has packed up and returned to the Pyrenees. Due to time constraints a number of these have no descriptions, use your imagination or search them out in Google.All Sempervivum are hardy to ____ZONE 4