Menu
Log in
site_logo

Zantedeschia aethiopica (L.) Spreng.

Introduction & Overview

Common and Scientific Names

  • Scientific Name: Zantedeschia aethiopica (L.) Spreng.
  • Common Name: Commonly known as the calla lily or arum lily

Quick Facts

  • Origin: Native to southern Africa
  • Features:  Recognized for its distinctive white inflorescence and glossy foliage, making it a favorite in gardens and floral arrangements.

Taxonomy & Classification

  • Genus: Zantedeschia
  • Botanical Background: Historically studied by early botanists in the 18th and 19th centuries, Zantedeschia aethiopica has been featured in seminal works on tropical plants.

Natural Habitat & Distribution

  • Geographical Range: Species is indigenous to regions of southern Africa, thriving in areas that range from moist lowlands to subtropical environments
  • Environment:  In the wild, it flourishes in well-drained, organic-rich soils with high humidity and moderate rainfall, often found near water sources in warm climates.

Morphological Characteristics

Leaves

  • Broad, arrow-shaped leaves
  • Smooth and glossy
  • Dark green
  • Robust, leathery texture

Inflorescence (Spadix & Spathe)

  • Inflorescence is notable for its pure white spathe that encircles a central
  • Yellow spadix
  • Generally unscented
  • Form aids in attracting specific pollinators in its natural habitat

Growth Habit

  • Terrestrial plant that grows from a robust rhizome, which stores nutrients to support its seasonal growth and blooming cycles

Cultivation & Care

Light Requirements

  • Bright, indirect light
  • It can tolerate some direct sunlight provided it is acclimated gradually

Watering & Humidity

  • Consistent moisture is essential
  • Regular watering and high humidity, particularly during active growth periods

Soil & Potting Mix

  • Well-draining, rich organic potting mix is ideal
  • Containers should allow for proper drainage to prevent waterlogging of the rhizomes

Temperature & Fertilizer

  • Thriving in warm conditions; temperatures above 60°F
  • Fertilize lightly during the growing season with a balanced, diluted fertilizer

Propagation Methods

Division & Cutting

  • Rhizome division
  • Ensures that new plants inherit the characteristics of the parent
  • Should be taken to handle the rhizomes gently to avoid damage

Seeds

  • Less common due to variable germination rates and the longer time required to reach maturity

Common Pests & Diseases

Typical Issues

  • Spider mites
  • Mealybugs
  • Fungal issues such as root rot when overwatered

Treatment Recommendations

  • Neem oil can control pests
  • Insecticidal soap
  • Improved drainage and proper watering practices are key to preventing fungal diseases

Notable Traits & Uses

  • Inspired local folklore for purity and rebirth, and it holds symbolic significance in various cultural traditions
  • Plays a role in attracting specialized pollinators
  • Prized for its elegant, sculptural appearance and adaptability to both indoor and outdoor ornamental settings

Conservation & Availability

Wild Population Status

  • Not currently listed as endangered
  • Habitat loss in its native regions underscores the importance of sustainable cultivation practices

Market Availability

  • Widely available in nurseries and garden centers, making it accessible to both amateur gardeners and professional landscapers

References & Resources

Further Reading

Powered by Wild Apricot Membership Software
Document