Congea and Sempervivum, are which type of items?
Sempervivum Sempervivum (Brit. , U.S. sem-per-VEE-vum) is a genus of about 40 species of flowering plants in the Crassulaceae family, commonly known as houseleeks. Other common names include liveforever (the source of the taxonomical designation "Sempervivum", literally "always/forever alive") and hen and chicks, a name shared with plants of other genera as well. They are succulent perennials forming mats composed of tufted leaves in rosettes. In favourable conditions they spread rapidly via offsets, and several species are valued in cultivation as groundcover for dry, sunny locations.
Sedum cauticola Sedum cauticola (cliff stonecrop) syn. "Hylotelephium cauticola" is a species of flowering plant in the family Crassulaceae, native to Japan. Growing to 8 cm tall by 30 cm wide, it is a carpet-forming succulent perennial with trailing stems of pink-tinged grey-green round leaves, and purplish pink star-shaped flowers in autumn.