Visit http://www.jandjacres.net for more hobby farm activities. Teepee trellises are great for peas and beans. What is more fun is to leave an opening so that a child, or you, can crawl inside of the living pea tepee! You can build a tepee trellis out of several different materials.We are using saplings that we cut down.eepee trellises are great for peas and beans. What is more fun is to leave an opening so that a child, or you, can crawl inside of the living pea tepee! You can build a tepee trellis out of several different materials. We are using saplings that we cut down.