These plants are native to the southern part of Africa, specifically Mozambique, South Africa, Lesotho and Swaziland. It also grows in other tropical climates, but where it is not native, it can become invasive, such as in Western Australia and some areas of the southern United States.
- Being a tropical plant, calla lilies thrive in partial shade in areas with hot and humid summer weather. Some dappled sunlight or bright indirect light is fine, but direct sunlight is too strong for the tender petals.
- A rich, moist, well-drained soil is best to keep calla lilies blooming. Calla lilies do well growing alongside ponds and can happily tolerate a moist or even wet location.
- Don't water too heavily, especially at initial planting. Once the rhizomes are established, water once weekly if needed. During drought periods, make sure to keep plants watered.
- Calla lilies like a fairly warm environment.They also enjoy humidity and moisture, so humid summers keep the flowers blooming just fine. If you want to dig up your rhizomes for overwintering, do so before temperatures go below freezing in your area in the fall.
- Toxic to pets.