Calla lily is also one common name for the related genus Calla.
A calla lily is any of the plants of the genus Zantedeschia in the family Araceae. They produce large, showy flower spathes and are therefore grown both as ornamental plants and for cut flowers. They are hardy only to USDA plant hardiness zone 8; in colder zones, they are grown as tender bulbs or houseplants.
The species include the following:
* Z. aethiopica, the giant white calla lily or common calla lily
Many hybrids are in cultivation, with spathes in varying shades of white, yellow, orange, red, and pink.
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