The Main Plant entry for Callas (Zantedeschia)

This database entry exists to show plant data and photos that apply generically to all Callas.

Common names:
Give a thumbs up Calla Lily
Give a thumbs up Arum Lily

General Plant Information (Edit)
Plant Habit: Herb/Forb
Sun Requirements: Full Sun to Partial Shade
Fruit: Other: Berries green and firm when ripe. Peduncle bends toward the ground.
Flowers: Showy
Flower Time: Other: Seasonal
Uses: Cut Flower
Suitable as Annual
Resistances: Deer Resistant
Rabbit Resistant
Toxicity: Other: All parts of plant contain calcium oxalate crystals, an irritant to the mouth and esophagus. Toxic to cats and dogs.
Propagation: Other methods: Division
Containers: Suitable in 3 gallon or larger
Miscellaneous: Goes Dormant


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Posted by eclayne (Pioneer Valley south, MA, USA - Zone 6a) on Jan 13, 2012 10:40 PM

I've found that planted 8" deep is best for those with corms. A bit less for the aethiopica. Full sun, well draining soil and a good mulch cover to retain moisture and reduce overheating of roots leads to happy Callas. They seem to be heavy feeders and like lots of water with aethiopica being the most demanding in that regard.
I plant out in the 3rd and 4th week of May and the elliottiana and pentlandii cultivars bloom first, closely followed by the albomaculata and the rehmannii hybrids. Z. aethiopica is last to bloom, if at all.

I generally lift the tubers and rhizomes after the first frost, however a WET cold autumn can lead to rot even if that KILLING frost is slow to arrive.
All are easy to overwinter dormant as dry tubers/rhizomes. Again the elliottiana and pentlandii cultivars start breaking dormancy first, around mid to late April. They have to be stored with room above so the new shoots don't get damaged.

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Posted by jmorth (central Illinois) on Jan 9, 2012 9:15 PM

Also known as Calla Lily, Richardias, Arum Lily, and Spotted Calla.
A relatively small genus of the aroids, but, by far, the most decorative in it's family.
Named in honor of Giovanni Zantedeschi (1773 - 1846), an Italian botanist and physician.
Plants are big in the florist trade. Popular in Victorian times and the younger generation of gardeners (ie - today).

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Posted by Marilyn (Northern KY - Zone 6a) on May 20, 2013 3:09 AM

Taken from wikipedia's page at:

"It is a rhizomatous herbaceous perennial plant, evergreen where rainfall and temperatures are adequate, deciduous where there is a dry season. Its preferred habitat is in streams and ponds or on the banks. It grows to 0.6–1 m (2–3 ft) tall, with large clumps of broad, arrow shaped dark green leaves up to 45 cm (18 in) long. The Inflorescences are large, produced in spring, summer and autumn, with a pure white spathe up to 25 cm (10 in) and a yellow spadix up to 90 mm (3½ in) long.

Z. aethiopica contains calcium oxalate, and ingestion of the raw plant may cause a severe burning sensation and swelling of lips, tongue, and throat; stomach pain and diarrhea may occur.

It has been cultivated for the Easter floral trade since the early 20th century; hence the (ambiguous) name "Easter lily", common in Britain and Ireland. It has become an important symbol of Irish republicanism and nationalism since 1926 to commemorate the fallen of Easter 1916 and onwards."

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Plant Events from our members
Lalambchop1 On February 1, 2018 Seeds sown
WS'd in moist vermicuite in enclosed container.
Seedfork On April 12, 2015 Bloomed
My first ever callas lily bloom
Seedfork On March 6, 2015 Plant emerged
piksihk On August 14, 2017 Plant Ended (Removed, Died, Discarded, etc)
piksihk On May 8, 2016 Obtained plant
jonathy for Mom's day
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
Plant ID request by granny714 Apr 15, 2019 4:04 PM 5
Spathe and Spadix by Gina1960 Apr 17, 2019 1:45 PM 15
is this carlisle lily? by hoja Jan 25, 2019 8:15 PM 4
Flower ID please. Thanks! by guidog77 Sep 5, 2018 3:50 PM 4
Current bulb action by purpleinopp Feb 21, 2019 11:41 AM 147
It only happened to one stalk, what? by JT_Flowers May 8, 2018 5:16 PM 5
Please add by pinkiris Apr 25, 2018 4:29 PM 4
Spring (er, winter??) blooms 2018 by evermorelawnless Jun 19, 2018 8:32 PM 498
What's Blooming - Photos and Chat. by NJBob Apr 12, 2019 4:30 PM 779
variety ID? maybe ginger lily of some family but which one? by Maytrix Jul 7, 2017 3:06 PM 8

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