PVC Pipe Planter Disney world does this! Lowes sells the 4 to round PVC pipe with holes already drilled. Purchase an end cap, fill with rock, soil, and plant. I will often put these in the center of a very large pot to stabilize, and add amazing heigh
Tomatoes need calcium to achieve their full flavor potential. Crush up to powder about 4 or 5 egg shells and put them in the bottom of the hole. Then plant your tomato on top. They'll provide calcium and prevent blossom end rot.