Do calla lilies come back every year once planted?
Certified GKH Gardening Expert
This really depends on where you live. The plants are not cold hardy and will not survive harsh winters in the ground. Therefore, if you live where temps fall below its hardiness (Zone 8 or higher), you'll have to dig up the plants and store them. This article will help: https://www.gardeningknowhow.com/ornamental/bulbs/calla-lily/calla-lily-winter-care.htm