Many overgrown gardens and older homes are littered with old, crumbling cement bird baths, which are long past their prime for aviary bathing. But with just a little effort and a few inexpensive supplies, that old birdbath can have a new life either as a planter or frog pond.Turn an old bird bath into a planterTurning a decaying bird bath into a beautiful planter is a relatively easy feat. The shallow bowl of the bath is a perfect home for shallow rooted ground cover type plants. For this purpose, little has to be done to revive the old bath. In fact, for a rustic look, the bath can be left as is and simply planted with soil and ground cover. When placed next to a garden or outside the garden shed, this makes a beautiful planter. For a more polished look, spray a quick coat of paint on the