Tomatoes Overgrown Cages . Set your homemade tomato cage over one tomato plant in the garden. Jul 16, 2009 #1 drakemaiden deeply rooted. TOMATOCAGELEANINGOVERGROWNTOMATOPLANTSHIRLEYBOVSHOWFOODIE from www.pinterest.com Follow recommended spacing for tomato plants, which is generally 24 to 36 inches between plants. Clip your garden clip on the bottom of each tomato plant with the larger circular area. Take precautions against strong winds by using stake loops to hold the tomato cage.