according to wikipedia i am growing plants from the family aizoaceae . they are sometimes also called ice plants or mesembs. according to wikipedia they belong to the subfamily ruschioideae and the tribe ruschiae. my plants belong to the genera argyroderma , conophytum , lithops and monilaria. the exact species are argyroderma delaetii, conophytum calculus , lithops (mix of unknown species) and monilaria moniliforme.
Blog about growing living stones at the 63rd parallel north. This circle of latitude crosses Norway, Sweden, Finland, Russia, Alaska (USA), northern Canada and southern Greenland. "At this latitude the sun is visible for 20 hours, 19 minutes during the summer solstice and 4 hours, 43 minutes during the winter solstice." Wikipedia