Calla lilies grow best in full sun, but they need shade during the summer in hot climates. Calla Lily Characteristics True lilies have six petals.
Calla lilies prefer full sun or part shade, though their blooms will be less impressive in shaded conditions. In areas where summers are long and hot, calla lilies often do better in partially shaded environments where they can get a break from afternoon sun. In cooler environments, they tolerate full sunlight well.
You may be thinking “Do calla lilies get sunburns?”
Calla lilies can suffer from sunburn if they are exposed to too much harsh afternoon sun. This can happen in hot dry climates where the sun is hot and the soils are drier. In this case it is best to plant calla lilies in a position that gets protection from afternoon sun.
Can calla lilies live outside?
It would benefit your calla lily to spend the warm months outdoors. Be sure to harden off your plants when moving from indoors to out so that the foliage doesn’t burn. Allow your plant to sit in full shade for at least a week when temperatures are appropriate to move them outdoors and gradually introduce more sun.
These flowering plants are hardy in U. S. Department of Agriculture zones 8 to 10. Calla lilies can be grown as perennials in frost-free climates or overwintered indoors in colder regions. Calla lilies grow best in full sun, but they need shade during the summer in hot climates. True lilies have six petals.
Can I leave calla lilies in the ground this winter?
Most calla lilies are winter hardy in zones 8-10, so in these warm climates the rhizomes can be left right in the ground. If you live in a colder area and you want to save your rhizomes for next spring, you may dig them up before the first frost and store them over winter before replanting them next spring. Not sure about your growing zone?