With their chalice-shaped flowers, calla lilies (Zantedeschia spp.) bring a big dose of elegance to the garden or your indoor space. Outdoors, they can be grown as tender perennia ...

Calla lilies are susceptible to overwatering, but otherwise they're low-maintenance. Calla lilies need to be watered once a week on average. Soil should be kept evenly moist but not wet.