Plant calla lilies in rich, well-draining soil
Place them in full sun to partial shade
Water regularly to keep soil evenly moist
Avoid waterlogged soil
Feed with a balanced fertilizer during the growing season
Remove spent flowers and yellowing leaves
Protect from frost and cold temperatures
Lift and store rhizomes in cold climates after foliage dies back
Divide crowded rhizomes every few years
Watch for pests and treat promptly if needed