These stacked flower pots show another great example of how to add height to your containers.  I already shared how to add height with grapevines and garden accessories, now I’d like to share the way my mom stacked up some terracotta pots. This is real simple but the vertical display can offer much more visual appeal then a short flower planter. I also wanted to share the beautiful assortment of flowers that she used in this planter which display such a lovely assortment of…