Zantedeschia, Calla Lily 'Hercules'

Zantedeschia

Family
Araceae (a-RAY-see-ee)
Genus
Zantedeschia (zan-te-DES-kee-uh)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Grown for foliage
Evergreen
Good Fall Color
Provides Winter Interest
Veined
Height
6-8 ft. (1.8-2.4 m)
Spacing
6-8 ft. (1.8-2.4 m)
Hardiness
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
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)
Danger
All parts of plant are poisonous if ingested
Bloom Color
White/Near White
Bloom Time
Blooms all year
Blooms repeatedly
Other Details
Category
Bulbs
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Can be grown as an annual
Bloom Characteristics
Flowers are good for cutting
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Patent Information
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Remove fleshy coating on seeds before storing
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

SOMIS, California

Sacramento, California

San Francisco, California

San Jose, California

San Leandro, California

Portland, Oregon

Chandler, Texas

Richmond, Texas

show all

Featured Videos

Gardener's Notes:

2
positives
1
neutral
0
negative
Sort By:
Sort By:
F
Sacramento Valley, CA | February 2018 | positive

I have the giant white-spotted leaved San Francisco Strybing Arboretum cultivar. What a breathtaking enormous plant! In my opinion it is ...Read More

V
(Zone 8a) | February 2008 | positive

This is the non-spotted Hercules, which I bought from Kartuz, which in turn bought theirs from Western Hills many years ago.

...Read More

K
K
San Leandro, CA (Zone 9b) | February 2008 | neutral

This is the cultivar Strybing Arboretum in San Francisco is growing and selling that originally came from Western Hills Nursery in Occide...Read More

Featured
Obscure Sphinx Moth
(Erinnyis obscura)
Northern Mockingbird
(Mimus polyglottos)
Featured
Obscure Sphinx Moth
(Erinnyis obscura)
Northern Mockingbird
(Mimus polyglottos)