The garden maintains a focus on indigenous plants of Schleswig-Holstein within a broader representation of plants from around the world, including special collections of South African succulents and plants from the Atlantic islands, as well as Adromischus, Aizoaceae, Aristolochia, Campanulaceae, Crassulaceae, Cuscuta, Passiflora, Plumbaginaceae, and Vitaceae.
Lithops karasmontana (Karas Mountains living stone) is a species of flowering plant in the ice plant family Aizoaceae, native to Namibia and South Africa (the name refers to the Great Karas Mountains of Namibia).
"Pebble plant" or "Ice plant" are other but rather ambiguous common names, usually referring to other Aizoaceae.