Hovering Saucer A large terra-cotta saucer sits atop a tomato cage serving double-duty as a birdbath and trellis for climbing vines. To create an even more vibrant focal point, paint the saucer in your favorite color, or tie it into your garden's color scheme.
To keep algae growth from your bird bath drop some pre-1982 copper pennies in. I have what I would call a normal size bird bath & I use 7 pennies. The reason for the pennies being pre-1982 is that before that year, the pennies contained copper, a natural algicide.