Blue Scotch Vates Kale Seed: A blue-green kale with crinkled leaves and very attractive reaching 12-15" in high, and spread to 20-35" in width. that are quite delicious, very cold hardy. Will over winter with little protection. This is one of the best frost resistant kales. Extremely nutritious, kale that can be eaten fresh in salads or cooked in any number of ways.