Drive 5-foot lengths of 1/2-in. metal conduit about 12 to 18 inches into the ground to support the DIY trellis. Drill 5/8-in. holes in a 1x4 and use it to hold the pipes at the correct distance apart.

A trellis may be a frame-like structure sunk into the soil or a latticework cage supported by plastic or metal hoops. Frame trellises are good for sprawling crops like cucumbers while other ...