Calla lily is a tender, semi-hardy tropical herbaceous perennial. Callas are adapted to USDA hardiness zones 8 through 10. Calla lilies go dormant and die back in the summer.

Elegant calla lilies come in a variety of colors accompanied by handsome lance-shaped leaves. Calla lily flowers (Zantedeschia) look elegant in pots, in the garden and in cut-flower bouquets. If ...

Calla lilies. Technically, calla lily flowers are tiny and located on the yellow column, which is botanically known as a spadix. The showy white structure is a modified leaf called the spathe.

The calla lily is quite flexible and will grow in almost any soil, although it needs to be well drained, so the bulb does not start to rot. Plants should be in full sun.