Rhythm of seasonal development and winter hardiness of European woody plants species in the middle taiga subzone of Komi Republic

It is established that types of the European origin with the areas coming into northern part of Europe have the phenological rhythm, close to the conditions of Komi Republic, and are winter-hardy. Species of plants with the southern areas in local conditions for end of a cycle of seasonal development demand the increased sum of temperatures, therefore in the winter often are frosted over. Prospects of an introduc- tion the woody plants of the European flora in Komi Republic in relation with climate warming are noted. About 50 types and forms are recommended for gardening.