Titan Pea Tunnel, Extra Strong Lightweight Metal Trellis for Vegetables and Flowers - Gardener's Supply Company

Maybe you've laboriously staked up your pea plants or built what you thought was a sturdy support — only to have your plants sag, lean or even topple. Never again! The Titan Pea Tunnel has the strength and stability to support the most robust vines, and it puts pods within reach for the easiest harvest ever. Better yet, the polyethylene-coated steel frame and strong nylon netting are unfazed by the elements, and will last for years. You can even use the shady space inside the tunnel to grow tender greens.