Calla lilies (Zantedeschia sp.) are native to South Africa and are considered tender perennials because they won't tolerate freezing weather. They are only hardy in warmer areas in Zones 8-10. These ...

Q: I bought a potted calla lily in spring and it grew nicely in my garden and flowered well. It stopped blooming toward the end of summer. Now the leaves are turning yellow. Can I save the plant? I ...