Zantedeschia aethiopica is also known as florist calla, white arum lily or common arum lily. It belongs to a genus with 6 species that are native to swampy areas of South Africa. As a matter of facts, this plant is often sold as a pond plant. But it can be grown in containers or in moist soils.
Z. aethiopica is a species which is reported to be frost-hardy down to about 14-22°F (-6 to -10°C), depending on the growing conditions. In USDA zones 8-9a, this species can be tried with a good winter protection. In warmer zones, this plant can be reliably grown outdoors.
There are many cultivars, including:
- Z. aethiopica 'Apple Court Babe' - a small cultivar, about 2 ft (60 cm) tall.
- Z. aethiopica 'Caerwent' - Wider flowers, and hardier than the type.
- Z. aethiopica 'Childsiana' - A dwarf cultivar that will grow up to 1 ft (30 cm) tall. A good container plant.
- Z. aethiopica 'Childsiana Lisa'
- Z. aethiopica 'Compacta' - A smaller selection than the type, about 1.5-2 ft (45-60 cm) tall. A good container plant.
- Z. aethiopica 'Crowborough' - Widely grown, as this selection has wider flowers and is hardier than the type.
- Z. aethiopica 'Gigantea'
- Z. aethiopica 'Glow' - A selection of Z. aethiopica 'Crowborough', with a white and pale-pink spathe.
- Z. aethiopica 'Green Goddess' - Wide flowers with hints of green.
- Z. aethiopica 'Little Gem' - Like 'Childsiana', but with wider spathes.
- Z. aethiopica 'Marshmallow' - A very faint pink spathe, with a pink core.
- Z. aethiopica 'Mr Martin'
- Z. aethiopica 'Mr Sam'
- Z. aethiopica 'Perle de Stuttgart' - A free-flowering cultivar.
- Z. aethiopica 'Pershore Fantasia' - With variegated leaves.
- Z. aethiopica 'Pink Flowered' - pink spathes.
- Z. aethiopica 'Snow White'
- Z. aethiopica 'Tiny Tim'
- Z. aethiopica 'Whipped Cream'
- Z. aethiopica 'White Gnome'
- Z. aethiopica 'White Mischief'
- Z. aethiopica 'White Sail' - Flowers are pure white and smaller than the type.
Leaves are entire, arrow head shaped, glossy dark-green. The foliage is evergreen in frost-free climates, but will disapear in winter in colder zones.
The inflorescence is made of a spadix (the yellow central column that contains many tiny male and female flowers) and a white spathe. Flowers appear mainly in summer.
Zantedeschia aethiopica requiert les expositions suivantes : mi-ombre,lumière,soleil This plant likes moist and fertile soils. In a pond, this plant can be grown into water with a depth of about 2 in. (5 cm)
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Category - perennial
Dimensions
Height 0.90 m
Width 0.60 m
Minimum temperatures
The plant is likely to die as soon as temperature is below -8.0 °C
Leaves and other aerial parts are damaged as soon as temperatures drops to 0.0 °C
Exposure - partial shade, light, full sun
Leaves - evergreen
Flowers - Color(s) : white
Propagation - offset, seeds This plant can be propagated by seeds or root division. Both operations are generally performed in spring.
Toxicity Warning, this plant contains toxic parts.Contains irritating, urticating or spiky parts.
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