25 Seeds Roma Ii Bush Green Bean Seeds Non-gmo, Heirloom {59day} Produces high yields of large flat pods that are very slow to develop seeds. tenderness and flavor make it one of the best for canning and freezing. Plant seed approximately 1 in. deep, space 4-8 inches in row with rows 24-30 in. apart. Beans do not tolerate frost. soil temp. should be at least 60 degrees.