Calla Lily (Zantedeschia sp.)
Sp.
About this plant
Zantedeschia, known as calla lilies, are elegant plants with trumpet-shaped flowers that come in various colors, including white, yellow, pink, and purple. They are popular in gardens and as cut flowers. These plants grow from rhizomes and have large, arrow-shaped leaves. They are often used for ornamental purposes in gardens, pots, and floral arrangements.
Taxonomy
Higher classification: Order Alismatales
Origin & Distribution
- Native region
- Southern Africa
- Distribution
- Widely cultivated worldwide, native to southern Africa.
Care
- Suitable locations
- Indoor, Outdoor, Balcony, Greenhouse
- Preferred window facing
- East-facing, South-facing, West-facing
- USDA hardiness zones
- 8–11
- Soil pH
- 6.0–7.5 (slightly acidic to neutral)
- Soil type
- well-draining loam, rich in organic matter
Watering. Keep soil consistently moist during the growing season but avoid waterlogging. Reduce watering during dormancy in winter.
Fertilizing. Feed with a balanced liquid fertilizer every 4-6 weeks during the growing season to support healthy growth and flowering. Avoid fertilizing during dormancy.
Zantedeschia plants are moderately easy to care for. They prefer moist, well-draining soil and partial shade but can tolerate full sun if kept well watered. Overwatering or poor drainage can cause root rot, so avoid soggy soil. They need regular watering during the growing season and less when dormant.
Propagation
- Propagation methods
- Division
Ornamental features
- Flowering
- Yes
- Flowering period
- spring–summer
Showy, trumpet-shaped flowers and large, glossy, arrow-shaped leaves.
Toxicity & Safety
The plant is mildly toxic if ingested, causing irritation to the mouth and stomach. Keep away from children and pets.
Allergy information
Zantedeschia plants, commonly known as calla lilies, can cause mild skin irritation or allergic reactions in some people, especially if they touch the sap. The main trigger is the plant's sap, which may cause itching or redness. To reduce exposure, wear gloves when handling or pruning the plant and wash hands afterward.
Common problems
Common problems include root rot from overwatering, yellowing leaves due to poor drainage or nutrient deficiency, and occasional pest issues like aphids or spider mites.
Uses
Primarily grown as an ornamental plant for gardens, containers, and cut flowers due to its attractive flowers and foliage.
Notes
Prune yellow or dead leaves to keep the plant healthy. Repot every 2-3 years to refresh soil and divide rhizomes if the plant becomes crowded. Protect from frost in colder climates.