Pole beans require a support system for the vines to grow up. The vines reach heights of 5 feet or more and will climb any structure placed close enough to them. Commercial trellising systems are available, but are often expensive and don't make maximum use of space. A simple trellis is easily expandable, allowing you to grow as few or as many bean plants as desired in a small space. Create a trellis that is inexpensive and also requires minimal storage space.
Gather three 6-foot-long poles together. Lash the poles securely together with rope 6 inches down from the top.
Spread the poles out to form a tepee held together at the top by the rope. Set it in your prepared garden bed and push the bottom of the poles 2 to 3 inches into the soil to help anchor them.
Tie the end of a ball of twine to one pole 6 inches up from the soil. Wrap the twine around the entire structure, spiraling it until you reach the top. Tie the other end of twine to the top of the structure.
Plant three bean seeds at the base of each pole. Guide them onto the poles if necessary as they grow. The vines will branch and eventually cover the whole trellis.
Space each trellis 3 feet from the next trellis. Make as many as necessary for your desired bean crop. Remove the dead vines at the end of the season and collect the trellis back into a bundle for storage.