How to Grow Beans: The Ultimate Guide - Epic Gardening The seeds are pink and white in tone and make great shell beans. The red-splashed cream or yellow pods can also be eaten as a snap bean. Buy Seeds: Mappe Green: 70 days: Mung beans like Mappe are most popular for bean sprouts in 7-10 days, but can also be cultivated for green beans. Buy Seeds: Vroma: 75 days