Introduced in the 1970's, King of the Garden lima beans are cream-colored seeds that are quite good for freezing, canning and eating fresh. It is worth noting that lima bean varieties are considered one of the best sources of iron. It is a known fact that iron plays an important role in gaining healthy hair, as it helps to carry oxygen to it. In addition, the potassium present in these beans plays an important part in digestion process, since it is important in maintaining good digestion. Potassium also helps in improving the heart health.