The typical plants of Arctic fells are small and low-growing which protects them efficiently from wind and frost. In Finland Arctic plants blossom in the marine climate of the fells of Kilpisjärvi region where the bedrock is calciferous and the soil is nutritious.
Plants are able to store solar energy in lower temperatures in the North than in the South. Their leaves and buds blossom often rapidly, which is beneficial in the brief Northern summer.
When climate gets warmer, typical plants of Boreal Forest spread further North and replace Arctic species. Biodiversity is the most important survival strategy of the Arctic environment. Wide genetic variety enables plants to adjust into changing conditions.