Pole beans are vigorous climbers, so make sure they have a trellis, arbor, fence or some support on which to climb. But having the ripe beans at a height where you do not need to bend down to pick them, is worth the trouble of setting up the support system.
Approximately 1,200 seeds per lb. 3/4 lb. is needed for a 100 foot row, 40 lb. per acre.