"Siberian" is the hint: these tomato plants are very tolerant of cool conditions! This is an heirloom variety from Russia. They can be germinated at lower temperatures than other varieties and mature in a shorter growing season. Plants are determinates. Very popular in Alaska! Plants produce heavy yields of small, bright-red, round fruit. Sweet and full of flavour. Plants require staking and well-drained, fertile soil that is high in organic matter. 60 to 70 days to harvest.