Are you looking for a edible nitrogen fixer well here it is. Very cold tolerant. And growths in the heat. Or in the spring this little bean will grow in it all we have over winter them to around zero they are best when eaten green almost have a nutty flavor. You can cook with them they mix with sugar snap peas very well. They do miracles with the 3 sisters companion planting. Are packs are 1 oz that's about 17 seeds.