Zantedeschia aethiopica (White Calla Lily)

Native to South Africa, this species of Calla Lily thrives in bog-like conditions in full sun. These have become popular garden plants due to their showy inflorescences and tolerance to overly-watered soils.

Zantedeschia aethiopica (White Calla Lily)
Deciduous: yes
Hardiness Zones: 8-10
Height: to 1 meter (3 feet) tall
Diameter: to 60 centimeters (24 inches) across per plant
Growth Rate: moderate
Age: perennial
Root System: rhizomatous with fibrous roots
Family: Araceae
Subspecies: ‘Green Desire/Goddess’, ‘Pink Mist’, ‘Red Desire’, “Apple Court Babe”, “Crowborough”, “Little Gem”, “White Sails”
Tolerates: wet soil, heavy/clay/muddy soil, poor drainage
Problems (major): rhizome rot, Japanese Beetles (attack foliage), other types of rot
Problems (minor): none
Poisonous: Calcium oxalate crystals, if ingested, can cause swelling and irritation of the mouth and throat (and, in the worst possible scenario, death).
Soil requirements: tolerate soaked, muddy, soils, prefers slightly basic (pH 6.0) soils with good drainage
Air requirements: native to very humid environments, keep around 15 degrees Celsius (60 Fahrenheit) as best possible
Watering requirement: moderate (consistently moist) to high (wet)
Sun requirement: full sun to partial shade
Leaf shape: sagittate (arrow-shaped) lamina, thick petiole, ruffled, light green
Leaf size: to 60 centimeters (24 inches) tall
Flower structure: inflorescence with green peduncle and white spathe transitioning smoothly, yellow spadix in hooded spathe
Flowering frequency: begins about 8 weeks after dormancy (typically June or July)
Subterranean storage organ: rhizome
Monoecious/dioecious: dioecious (top section of flower male, bottom female)
Monocot/dicot: monocot
Notable characteristics:
These undergo guttation in significant amounts to prevent these plants from drowning. These can survive in mud underneath 30 centimeters (12 inches) of water. The number of “eyes” on a rhizome/tuber determines how many flowers will be produced every summer.

Uses:
These are frequently used in rain or bog gardens in tropical regions due to their resilience in wet soils.

Sources used:

Calla_lily_1
Small white inflorescences

Calla_lily_2
Pink cultivar

All of the images provided were taken by me. They may be used for educational/informational purposes only, provided that this article/online journal is appropriately cited first.

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1 Comment

Filed under Plant Analysis

One response to “Zantedeschia aethiopica (White Calla Lily)

  1. If you’re looking to make your own personal wedding centerpiece, as well as the calla lily will probably be represented at the wedding, making your own wedding centerpiece might be the approach to go

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