Our 'snap' pea trellis... ~7 ft
Pea Trellis 2 by greengardenvienna, via Flickr
Setting up pea trellis in the field. This trellis will also be good for beans, cucumbers, and climbing squash. Easy and affordable construction. #LadyLeesHome
Easy DIY Pea Trellis Project — Crafthubs
Using a Trellis System - Your trellis system will need some kind of support: 4x4-inch posts or Studded T Posts driven into the ground are typical solutions. Lace heavy twine or wire and pattern string from top to bottom to support the crop.
Sweet & green trellis for your more delicate vines. I'd use regular sticks, as I am not fortunate enough to own a sexy bamboo grove. Yet.
You could use bed springs and paint them to get this effect too!
Sugarsnap pea trellis. Sugar snap peas, 2 ft by 5
Wire trellis for peas or clematis.
Tips for Growing Peas in Your Garden