Snow Crown has a good quality smooth white 2 lb head, and is an All American Selection winner. Graffiti has a deep purple 2 lb head that turns blue/purple when cooked (add vinegar or lemon juice to help retain color). 60 days for Snow Crown; 80 days for Graffiti. Full to partial sun. Both do best in rich soil with a ph of 6.5-7.5 and consistent moisture. Heavy feeders. When heads of Snow Crown first appear, tie leaves over the head with an elastic band or string to keep head from yellowing.