sempervivum arachnoideum "rothorn"NEWCatalog number: Outdoor plants → Rockery plantsIndoor flowersOutdoor plantsBroom and grafted conifersConifersCreepersDavid Austin RosesFruitPerennialsRhododendrons, azaleas, kalmiaRockery plantsShrubs and treesSummer outdoor flowersAquatic plantsBulbsGesneriaceae and begoniaceaeHerbsOrchideaPatio plantsFertilizers