Phaseolus vulgaris pp. Grown for edible pod, bush snap bean most popular because it does not need growing support.
Pole bean needs trellis or other support.
Consult your local garden center for other varieties, including lots of stringless ones, good for this area. Bush Romano, Contender, Provider and Tendercrop Stringless can be grown in containers for patio gardening. Seed after frost-free date. Plant several crops of bush beans, two to three weeks apart, until Aug. 1, for continuous harvest. Keep plants picked to maintain heavy producers.