Kale Cavolo Nero aka Lacinato
The only kale grown in Italy. Wrinkled dark green (almost black) leaves with a smooth edge. Excellent taste; improves after a frost. Very hardy. Usually lasts until January in my zone 5 garden; will last all winter in zone 6b and higher. 60 or so days. Direct seed or transplants anytime after last frost date. Space 10-12 inches. 6 gram pack, approximately 1,500 seeds.