sempervivum plant, a type of succulent

flower plant leaf green petal purple wildflower produce blossom nature herb shrub lilac food sempervivum houseleek flowering perennials rock gardens succulents saxifragales succulent house plants rosettes easy grow liveforever pots pot flowers spike hen- -chicks rocky habitiat foliage clumps dry varieties popular grit thrive tough outside spreading crassulaceae spread sunny drainage sempervivoideae varied morocco mountains store water storage desert thick leaves stony places alpine hardy warmth containers cultivars type texture commonly houseleeks weather