Diy Plant Cage . How to build a diy blueberry cage. Pvc is lightweight and easy to work with. DIY Tomato Cage Pot Planter. from www.4men1lady.com Download the free woodworking plans. Stack two plant cages on top of each other to make a taller cage for vigorous climbing plants such as pole beans, then wrap the wire feet of the top cage around the top wire of the bottom. This wooden trellis frame is easy to build with basic tools.