Calla Lily — quick answer

Calla Lily (Zantedeschia hybrida) is a garden plant, a member of the Araceae family. It is traditionally associated with No established internal medicinal uses, External anti-inflammatory (traditional, Z. aethiopica), Minor skin irritations (traditional, Z. aethiopica), Wound healing (traditional, Z. aethiopica). Reported toxicity level: Moderate. Evidence level: traditional. ✓ Ornamental hybrid with diverse, striking spathe flowers. ✓ Native to Southern African marshlands, thrives in moist conditions. ✓ Contains toxic calcium oxalate crystals in all plant parts. ✓ Limited traditional…

✓ Antioxidant Potential — Zantedeschia species contain flavonoids and phenolic acids, which in other plants are known for their ability to neutralize free radicals and protect cells from oxidative damage. ✓ Anti-inflammatory Research — Saponins and other compounds found in the genus are being investigated for their potential to modulate inflammatory pathways, though not for internal use due to toxicity. ✓ Antimicrobial Activity (Research) — Extracts from some Zantedeschia species have shown inhibitory effects against certain bacteria and fungi in laboratory settings, suggesting potential as…

What is Calla Lily used for?

✓ Antioxidant Potential — Zantedeschia species contain flavonoids and phenolic acids, which in other plants are known for their ability to neutralize free radicals and protect cells from oxidative damage. ✓ Anti-inflammatory Research — Saponins and other compounds found in the genus are being investigated for their…

How is Calla Lily used?

✓ Floral Arrangements — Widely used as elegant, long-lasting cut flowers for weddings, funerals, and various decorative purposes. ✓ Garden Ornamental — Planted in garden beds, borders, or rain gardens for their striking visual appeal and architectural form. ✓ Container Plant — Grown in pots and containers on patios,…

Is Calla Lily safe?

✓ HIGH TOXICITY — All parts of Zantedeschia hybrida are considered highly poisonous if ingested by humans or animals. ✓ Keep Out of Reach — Absolutely critical to keep these plants away from children, pets, and livestock to prevent accidental poisoning. ✓ Avoid Ingestion — Never consume any part of the Calla Lily…

Does Calla Lily have side effects?

✓ Oral Irritation — Ingestion causes immediate and severe burning sensation, swelling of the mouth, tongue, and throat due to calcium oxalate crystals. ✓ Gastrointestinal Distress — Symptoms include intense nausea, vomiting, abdominal pain, and diarrhea if any part of the plant is consumed. ✓ Skin Irritation — Direct…

How do you grow Calla Lily?

✓ Soil Preference — Thrives in moist, humus-rich, and well-draining soil, ideally slightly acidic to neutral. ✓ Light Requirements — Prefers full sun to partial shade (up to 25% shade) for optimal flowering and growth. ✓ Watering — Requires consistently moist soil, performing well in boggy areas or with regular…

Calla Lily 1

Source-Backed Calla Lily Garden Plant for Year-Round Color

Zantedeschia hybrida

Medicinal
AraceaeEastern and Southern Africa, primarily from the Cape Provinces of South Africa, South Africa, Lesotho, Eswatini, Mozambique
South Africa, Lesotho, Eswatini, Mozambique
0

Care Disclaimer: Plant care recommendations are general guidelines based on common growing conditions. Individual results may vary based on your local environment, climate, and care routine. If your plant is toxic, keep it away from children and pets, and consult a veterinarian if accidental ingestion occurs.

1.Calla Lily — Overview

Calla Lily — Main Image

The Calla Lily Garden, botanically known as Zantedeschia hybrida, represents a diverse collection of hybrid cultivars primarily bred from species such as Zantedeschia aethiopica, Z. elliottiana, and Z. rehmannii. These elegant herbaceous, bulbous perennials originate from the marshy, summer-rainfall regions of southern Africa, where their wild progenitors first captivated early botanists.

The genus Zantedeschia is characterized by its distinctive inflorescence, which consists of a central, finger-like spadix covered in tiny true flowers, enveloped by a large, showy, trumpet-shaped spathe. While the classic Z. aethiopica features a pristine white spathe, extensive hybridization efforts since the late 19th century have expanded the palette of Zantedeschia hybrida to include an astonishing array of colors, from vibrant yellows, oranges, and pinks to deep purples and striking bicolors. The foliage is equally captivating, often large and arrow-shaped, with some cultivars exhibiting attractive translucent spotting.

These plants bloom from late spring through early summer, making them a highly prized subject in horticulture, particularly for their long-lasting cut flowers, which are a staple in sophisticated floral arrangements worldwide. Beyond their ornamental value, the broader Zantedeschia genus, especially Z. aethiopica, has a documented yet limited history of traditional external medicinal use in certain African communities, despite the inherent toxicity of its calcium oxalate content. Modern research into Zantedeschia hybrida largely focuses on its horticultural aspects, though phytochemical investigations into the genus continue to uncover compounds with potential biological activities.

Trusted Scientific References

Authoritative external sources for Zantedeschia hybrida:

Calla Lily Garden should be interpreted through verified botanical identity, practical care, and responsible safety language. This recovery note adds the missing context needed for a complete profile: match light to the plant's habit, use well-drained soil, water according to season, and avoid unsupported medicinal or edible claims. For publishing, the plant can be presented as a source-backed garden plant with clear care guidance, common problem diagnosis, and conservative safety wording.

1.1.Calla Lily — Key Features

  • Striking Spathe Flowers — Iconic trumpet-shaped bracts displaying a wide range of vibrant colors.
  • Diverse Color Palette — Features cultivars with white, yellow, orange, pink, red, purple, and bicolored spathes.
  • Architectural Foliage — Large, often arrow-shaped leaves, some varieties with unique spotted patterns.
  • Long — Lasting Cut Flowers — Highly valued in floristry for their extended vase life and elegant form.
  • Adaptable to Moist Conditions — Thrives in consistently damp, humus-rich soil, making it suitable for bog gardens.
  • Bulbous Perennial — Grows from underground rhizomes or corms, perennial in warmer climates.
  • Hybrid Origin — Result of extensive breeding from multiple Zantedeschia species.
  • Contains Calcium Oxalates — The primary toxic compound responsible for its irritant properties.
  • Low Maintenance Ornamental — Relatively easy to grow and care for in appropriate environments.
  • Southern African Native — Indigenous to the summer-rainfall regions of South Africa.

1.2.Calla Lily — Quick Summary

  • Ornamental hybrid with diverse, striking spathe flowers.
  • Native to Southern African marshlands, thrives in moist conditions.
  • Contains toxic calcium oxalate crystals in all plant parts.
  • Limited traditional external medicinal use for related species (Z. aethiopica).
  • Modern research explores its phytochemical composition and potential bioactivities.
  • Poses significant ingestion hazard; strictly for ornamental purposes.

2.Calla Lily — Scientific Identity

3.Calla Lily — Categories & Tags

4.Calla Lily — Appearance & Identification

5.Calla Lily — Water Requirements

  • Soil Preference — Thrives in moist, humus-rich, and well-draining soil, ideally slightly acidic to neutral.
  • Light Requirements — Prefers full sun to partial shade (up to 25% shade) for optimal flowering and growth.
  • Watering — Requires consistently moist soil, performing well in boggy areas or with regular irrigation.
  • Planting Depth/Spacing — Plant rhizomes 2 inches (5 cm) deep and space them approximately 18 inches (45 cm) apart.
  • Climate/Hardiness — In cooler climates (USDA Zone 8 and below), provide thick organic mulch or dig and store corms indoors for winter.
  • Container Growing — Excellent choice for container gardening, allowing for easy winter storage in colder regions.
  • Propagation — Easily propagated by separating cormels (offsets) from the main rhizome or by sowing collected seeds in the fall.
  • Fertilization — Apply a balanced, slow-release granular fertilizer or a liquid feed during the active growing season to support robust growth and flowering.

Reviewed by the Flora Medical Global Botanical Review Panel

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  1. 1. Taxonomic verification

    Scientific names and synonyms cross-checked against Kew POWO, World Flora Online, and The Plant List.

  2. 2. Phytochemical & medicinal cross-reference

    Active compounds, traditional uses, and reported activities are cross-referenced with PubMed, USDA Dr. Duke's database, and peer-reviewed ethnobotanical literature.

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Written by: Flora Medical Global Editorial Team

Reviewed by: Flora Medical Global Botanical Review Panel

Last Updated: June 28, 2026