Trillium Species, American Wood Lily, Giant Wakerobin, Giant Trillium, Trinity Flower

Trilliumchloropetalum

Genus
Trillium (TRIL-ee-um)
Species
chloropetalum (klo-ro-PET-al-lum)
Synonym
Trillium giganteum var. chloropetalum
Trillium sessile var. chloropetalum
Sun Exposure
Partial to Full Shade
Foliage
Grown for foliage
Herbaceous
Height
12-18 in. (30-45 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
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)
Bloom Color
Bright Yellow
Pale Green
Maroon/Burgundy
Bloom Time
Mid Spring
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
Seed Collecting
Regional

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

San Leandro, California

Atlanta, Georgia

Decatur, Georgia

Featured Videos

Gardener's Notes:

1
positive
1
neutral
0
negative
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M
Deer Park, TX (Zone 9a) | November 2007 | neutral

The giant trillium is found from California to Washington in western USA, in wooded or streamside situations. Growing up to 24" tall, it'...Read More

C
Spring, TX (Zone 9b) | March 2004 | positive

lovely little shrub. Spikey and open. Lovely little magenta flowers. Don't know the official name. One thing tho. My Irish wolfhound...Read More

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(Accipiter cooperii)
Featured
Sumac Flea Beetle
(Blepharida rhois)
Cooper's Hawk
(Accipiter cooperii)