Light: Bright filtered light or gentle early-morning sun; protect from intense afternoon sun and reflected heat.
Water: Keep soil evenly moist but not soggy during active growth and flowering. Reduce watering as foliage yellows; keep dormant rhizomes mostly dry.
Soil: Rich, loose, well-drained soil amended with compost. For containers, use a quality potting mix with added perlite; avoid standing water.
Mature size: Typically 1–2 feet tall and 1–1.5 feet wide; varies by cultivar.
Bloom: Usually spring to early summer, with timing dependent on cultivar and planting date. Extreme Phoenix heat can shorten flowering.
Evergreen / deciduous: Deciduous; colored calla hybrids enter dormancy after their growing season.
Growth rate: Moderate to fast during active growth; dormant seasonally.