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.

Ahead, we're sharing the best flower bulbs to grow in containers, according to our experts. Calla lilies (Zantedeschia aethiopica) are elegant flowers that come in various colors, including white ...