Hardy to minus 40 degrees! Produces large crops of elongated blueberry-like fruits 1-2 years after planting. Indigo Gem reaches 3-4', while Indigo Treat grows 4-6' tall. By planting these two varieties you will enjoy fruit from May-July. Two varieties are required for pollination. Prefers full to partial sun. Potted plants. Zones 2-9.