Collection of open-ground wood plants in the Polar-Alpine Botanical Garden-Institute

There are representatives of 27 families, 60 genera, 306 species and 44 intraspecific taxons (3 varians, 17 forms and 24 classes), 22 hybrids, 372 taxon in total, 792 samples in the collections of woody introducents. The collection is dominated by plants of cultural origin, grown from seeds. 88 percents of plants are characterised by score of winter hardiness from 1 to 3. More than a third of the plants have been in testing for 31-40 years. Generative development is typical for most plants.