These broad beans are perfect for risottos, pasta, stews, soups, mash, salsa and salads. How To Sow: Choose a sheltered, well-drained site in full sun. Sow direct where to grow in a warm, well-prepared seedbed. Sow seeds 20 cm apart, in rows 90 cm apart and to a depth 5 cm. Seedling Care: Keep seedbed or trays evenly moist during the germination period of 7-14 days.