Erythronium Species, Adder's-Tongue, Dogtooth Violet, Trout Lily, Yellow Trout-Lily

Erythronium americanum

Family
Liliaceae (lil-ee-AY-see-ee)
Genus
Erythronium (er-ih-THROH-nee-um)
Species
americanum (a-mer-ih-KAY-num)
Synonym
Sun Exposure
Light Shade
Partial to Full Shade
Foliage
Herbaceous
Textured
Veined
Height
under 6 in. (15 cm)
Spacing
3-6 in. (7-15 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
Danger
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Bright Yellow
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Bulbs
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
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
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Seed Collecting
Regional

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

Auburn, Alabama

Tuscumbia, Alabama

Stamford, Connecticut

Cornelia, Georgia

Decatur, Georgia

Marengo, Illinois

Mount Prospect, Illinois

Crothersville, Indiana

Warren, Indiana

Barbourville, Kentucky

Cape Elizabeth, Maine

Oakland, Maryland

Foxboro, Massachusetts

Newtonville, Massachusetts

Roslindale, Massachusetts

Erie, Michigan

Munising, Michigan

Pinconning, Michigan

University Center, Michigan

Piedmont, Missouri

Silex, Missouri

Springfield, Missouri

Bellevue, Nebraska

Fredericton, New Brunswick

Phillipsburg, New Jersey

Elba, New York

Franklinville, New York

Himrod, New York

Ithaca, New York

New York City, New York

Glouster, Ohio

Lima, Ohio

Aumsville, Oregon

Portland, Oregon

Berwyn, Pennsylvania

Lehigh Valley, Pennsylvania

Millersburg, Pennsylvania

Tidioute, Pennsylvania

Wynnewood, Pennsylvania

Viola, Tennessee

Leesburg, Virginia

Madison Heights, Virginia

Reston, Virginia

Roanoke, Virginia

Kalama, Washington

Hartford, Wisconsin

New Berlin, Wisconsin

show all

Featured Videos

Gardener's Notes:

9
positives
5
neutrals
0
negative
Sort By:
Sort By:
K
| April 2016 | neutral

I've had this plant in my garden for about ten years. It has spread nicely, but each year the charming speckled leaves come up, and yet t...Read More

A
Hartford, WI | September 2014 | positive

I have been foraging Trout Lily for several years now. It is delicious raw in a salad. The stem is sweet, the leaf is like firm spinach. ...Read More

C
ROSLINDALE, MA | September 2014 | neutral

This species (native here) is famous for its stinginess with bloom. I've seen large woodland colonies that bloom well, and others that ha...Read More

S
Crothersville, IN (Zone 5b) | September 2014 | positive

We have these lovely Spring flowers in our low-land woods by the thousands. The early bloomers are white and a little later the yellow o...Read More

L
Springfield, MO (Zone 6a) | May 2010 | positive

I have had this plant for two years and no blooms yet, just a single leaf from each corm. This year I noticed little white stolons coming...Read More

D
D
Silex, MO | December 2009 | positive

To Marie , if you want to dig a trout lily, you will have to dig deep. i have tried transplanting some i found in my woods and in some c...Read More

M
Bellevue, NE | December 2009 | positive

It's taken me awhile to appreciate this little plant because it comes up in my garden everywhere in early spring. Until the flower emerg...Read More

T
T
Newtonville, MA | December 2009 | positive

For the past few years I've been growing E. 'Pagoda'...not sure if it's a cultivar of E. americanum, a hybrid or what. It has done so we...Read More

D
Eugene, OR (Zone 8b) | December 2009 | positive

I absolutely love this plant that you folks call the "Trout Lilly" I have heard someone refer to this forest Lilly the name Adder's tong...Read More

D
Elba, NY (Zone 6a) | April 2009 | positive

These were a beautiful surprise this spring! Last fall husband brought home a load of sand and left it in a pile due to time restriction...Read More

S
Fredericksburg, TX (Zone 8a) | October 2005 | positive

I have this plant growing under a large pecan tree. It gets whatever rain God gives plus the sprinkler in August. It's not spreading fa...Read More

S
Oklahoma City, OK (Zone 7a) | November 2004 | neutral

It prefers somewhat shady conditions and rich, well-drained soil. Flowers bloom in early spring. They typically grow in colonies in woo...Read More

W
Seward, AK (Zone 3b) | March 2003 | neutral

E. americanum is a native flower of the Eastern United States, growing in damp, open woodland areas. The deeply-rooted, small fawn-colore...Read More

M
M
Ewing, KY (Zone 6a) | November 2002 | neutral

Plant bulbs 4 inches deep in autumn in fertile, well drained soil that does not dry out. Bulbs need to be damp during storage and before planting.

Featured
Japanese Water Iris'Freckled Peacock'
(Iris ensata)
Ox beetle
(Strategus aloeus)
Black-shouldered Kite
(Elanus axillaris)
Featured
Japanese Water Iris'Freckled Peacock'
(Iris ensata)
Ox beetle
(Strategus aloeus)
Black-shouldered Kite
(Elanus axillaris)