Pole beans mature later than bush beans but yield more.  Need to be supported on poles 2 to 3 feet apart, or on our Bean Trellis.  Sow seed 1 inch deep about 3 to 4 inches apart in rows.  Later thin to 6 to 10 inches apart.  A packet plants 7 to 10 poles, a pound 50 to 80 poles.