Photo by Melody

PlantFiles: Calla Lily
Zantedeschia 'Black Crusader'

Family: Araceae (a-RAY-see-ee) (Info)
Genus: Zantedeschia (zan-te-DES-kee-uh) (Info)
Cultivar: Black Crusader

10 members have or want this plant for trade.

Tropicals and Tender Perennials

18-24 in. (45-60 cm)

9-12 in. (22-30 cm)

USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

All parts of plant are poisonous if ingested

Bloom Color:
Dark Purple/Black
Maroon (Purple-Brown)

Bloom Time:
Late Spring/Early Summer
Mid Summer

Grown for foliage

Other details:
Average Water Needs; Water regularly; do not overwater
This plant is resistant to deer
Flowers are good for cutting
Suitable for growing in containers

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By grovespirit
Thumbnail #1 of Zantedeschia  by grovespirit

By chris_lcf530
Thumbnail #2 of Zantedeschia  by chris_lcf530


No positives
1 neutral
No negatives

Gardeners' Notes:

Neutral grovespirit On Apr 21, 2008, grovespirit from Sunset Valley, TX (Zone 9a) wrote:

The only reason I am rating my experience as "Neutral" is that although I was delighted with the plant itself, I was very unhappy when this lovely and expensive plant was stolen!! It was the very first time I had ever had a plant stolen.

The thieves also made off with a fuschia, and a "Peace" rose. I don't think they were ever caught by the cops despite my report. I learned that sometimes, fancy plants like this one aren't the best choice for one's suburban front yard. :(

This stunningly attractive plant grew great for me in coastal CA, Zone 11.

I planted it as a bulb in Feb. in sandy soil (90% sand 10% compost). I put 3 Tbsp bonemeal in the planting hole. I mulched it with 2" of bark mulch and watered with a drip hose system. It bloomed in early June. The second day it flowered it vanished while I was out on an errand. So if you plant this one, do be sure it is in a place that thieves cannot get to easily.

Normally Callas prefer PH 6.0 to 6.5, but 6.8 seemed OK for this one too.


This plant has been said to grow in the following regions:

Seaside, California
Baton Rouge, Louisiana
Austin, Texas

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