The plants in this section originate from mountain areas, including Greenland. In nature they grow in scree and gravel and are often covered by snow during the winter. In spring, the melting snow initiates the growing season. Many cushion plants are displayed. When the cushions are exposed to direct sunshine, the temperature inside the cushions may become up to 20 degrees C higher than outside, which helps to prolong the growing season for the plants.
Most woody species are quite low.
The moraine scree section comprises about 1,400 different species. The collection comprises more than 1,000 wild species of perennial, herbaceous plants. The collection is organised taxonomically and a genus like Iris is particularly well represented. The hill above the lake is mainly reserved for gymnosperms. The most impressive is the large group of Austrian pine, Pinus nigra var.