Northsky is the most cold-hardy of all blueberries and can survive extreme winter conditions. The compact bushes that carry a snow load without damage to the branches.Lower growing plant habit is particularly well suited for container growing, borders or group plantings. The bush grows 2-3 feet wide and begins spring completely covered in snow-white blooms. Fruits are small is size but with fresh wild flavor. Northern highbush blueberries require 800 to 1000 chill hours to set fruit.
Plant blueberry plants in a sunny to partially shaded area, in a well-drained, very acidic soil, with a pH of 4.2-5.2. Plant at least two different varieties for cross pollination. Set blueberry plants 4-8 feet apart (3 feet apart for hedges).
As fruit ripens, cover blueberry plants with netting to deter birds. Pick fruit promptly to discourage insects.