• Photo of Erythronium americanum ssp. americanum (Erythronium americanum ssp. americanums)

Plant Profile: Erythronium americanum ssp. americanum

Names

American Trout Lily, Dogtooth Violet, Yellow Trout-lily

  • Photo of Erythronium americanum ssp. americanum (Erythronium americanum ssp. americanums)

Phonetic Spelling:er-ih-THROH-nee-um a-mer-ih-KAY-num a-mer-ih-KAY-num

Genus:Erythronium

Species:americanum

Family:Liliaceae

Dogtooth Violet is a perennial wildflower belonging to the lily family, recognized as a spring ephemeral. These plants rapidly flower and produce seeds before the trees above fully leaf out, after which they fade away. This species is indigenous to the Eastern United States and Canada, thriving in various regions of North Carolina, particularly in moist lowlands or forests, especially over mafic rock formations.

For optimal growth, it is recommended to cultivate Dogtooth Violet from corms instead of seeds, as this method encourages earlier blooming. This wildflower flourishes in moist, humus-rich, and acidic soils, making it an excellent choice for woodland gardens, naturalized areas, or shaded landscapes. Additionally, it can thrive in environments near ponds or streams.

Erythronium americanum ssp. americanum Feature Summary

Erythronium americanum ssp. americanum Image Gallery

Tags

#native perennial
#shade garden
#moist soil
#NC native
#native wildflower
#naturalized area
#pond edge
#food source spring
#food source nectar
#food source pollen
#food source hard mast fruit
#ants
#bee friendly
#ephemeral
#audubon
#woodlands

Similar Plants

Erythronium americanum ssp. americanum is often confused with:

Erythronium americanum ssp. americanum Feature Summary

Attributes
Canada, mid to eastern U.S.A.
AL , AR , CT , DC , DE , IA , IL , IN , KY , MA , MD , ME , MI , MN , MO , NC , NH , NJ , NY , OH , PA , RI , SC , TN , VA , VT , WI , WV Canada: NB , NS
This plant attracts bees and ants. Small mammals will eat the corms.
Perennial
Fruit
Oval seed capsules are ½ to ¾ inch length and are green, changing to brown and splitting open into three sections to expose crescent-shaped seeds from April to May.
Green
Brown/Copper
< 1 inch
Flowers
1- 1.5 inch long solitary nodding yellow flowers with 6 recurved petals and 6 long stamens usually tipped with yellow or deep rusty red anthers. The outside of the petals may be streaked with purple or reddish-brown. Bloom from February to April.
Gold/Yellow
6 petals/rays
1-3 inches
Leaves
The leaves are oval or lance-shaped and mottled with brown, reddish-brown, or purplish-brown. Flowering plants produce 2 basal leaves, 2-8 inches long and ½ to 2 inches across with smooth margins. They taper at both ends. Non-flowering plants produce 1 leaf.
Elliptical
Lanceolate
3-6 inches
1-3 inches
Stem
Naked green stems up to 6 inches long
Whole Plant Traits
Perennial
Native Plant
Wildflower
Cultural Conditions
Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Deep shade (Less than 2 hours to no direct sunlight)
Good Drainage
Moist
Occasionally Wet
Coastal
Mountains
Piedmont
4a
4b
5b
5a
6a
6b
7a
7b
8b
8a
3a
3b
Landscape
Rain Garden
Native Garden
Shade Garden
Woodland
Naturalized Area
Bees
Small Mammals

Erythronium americanum ssp. americanum Attributes

Erythronium americanum ssp. americanum: Country Or Region Of Origin

Canada, mid to eastern U.S.A.

Erythronium americanum ssp. americanum: Distribution

AL , AR , CT , DC , DE , IA , IL , IN , KY , MA , MD , ME , MI , MN , MO , NC , NH , NJ , NY , OH , PA , RI , SC , TN , VA , VT , WI , WV Canada: NB , NS

Erythronium americanum ssp. americanum: Wildlife Value

This plant attracts bees and ants. Small mammals will eat the corms.

Erythronium americanum ssp. americanum: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Erythronium americanum ssp. americanum Fruit

Erythronium americanum ssp. americanum: Fruit Description

Oval seed capsules are ½ to ¾ inch length and are green, changing to brown and splitting open into three sections to expose crescent-shaped seeds from April to May.

Erythronium americanum ssp. americanum: Fruit Type

Achene
Aggregate
Berry
Capsule
Caryopsis
Drupe
Follicle
Legume
Nut
Pome
Samara
Schizocarp
Siliqua

Erythronium americanum ssp. americanum: Fruit Color

grass
Brown/Copper
grass
Green

Erythronium americanum ssp. americanum: Display/Harvest Time

Fall
Spring
Summer
Winter

Erythronium americanum ssp. americanum: Fruit Length

< 1 inch
1-3 inches
> 3 inches

Erythronium americanum ssp. americanum: Fruit Width

< 1 inch
1-3 inches
> 3 inches

Erythronium americanum ssp. americanum Flowers

Erythronium americanum ssp. americanum: Flower Description

1- 1.5 inch long solitary nodding yellow flowers with 6 recurved petals and 6 long stamens usually tipped with yellow or deep rusty red anthers. The outside of the petals may be streaked with purple or reddish-brown. Bloom from February to April.

Erythronium americanum ssp. americanum: Flower Color

filter_vintage
Gold/Yellow

Erythronium americanum ssp. americanum: Flower Inflorescence

Catkin
Corymb
Cyme
Head
Insignificant
Panicle
Raceme
Solitary
Spadix
Spike
Umbel

Erythronium americanum ssp. americanum: Flower Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy

Erythronium americanum ssp. americanum: Flower Bloom Time

Winter
Spring
Summer
Fall

Erythronium americanum ssp. americanum: Flower Petals

2-3 rays/petals
4-5 petals/rays
6 petals/rays
7 - 20 petals/rays
asymmetrical petals
Bracts
Colored Sepals
fused petals
more than 20 petals/rays
Tepals

Erythronium americanum ssp. americanum: Flower Shape

Bell
Cross
Crown
Cup
Dome
Funnel
Irregular
Lipped
Radial
Saucer
Star
Trumpet
Tubular
Urn
Wheel

Erythronium americanum ssp. americanum: Flower Size

1-3 inches
3-6 inches
< 1 inch
> 6 inches

Erythronium americanum ssp. americanum Leaves

Erythronium americanum ssp. americanum: Leaf Description

The leaves are oval or lance-shaped and mottled with brown, reddish-brown, or purplish-brown. Flowering plants produce 2 basal leaves, 2-8 inches long and ½ to 2 inches across with smooth margins. They taper at both ends. Non-flowering plants produce 1 leaf.

Erythronium americanum ssp. americanum: Leaf Shape

Acicular
Auriculate
Cordate
Cuneate
Deltoid
Elliptical
Filiform
Lanceolate
Linear
Oblanceolate
Oblong
Obovate
Obtuse
Orbicular
Ovate
Palmasect
Palmatifid
Peltate
Pinnatifid
Pinnatisect
Reniform
Rhomboidal
Spatulate
Subcordate
Subulate

Erythronium americanum ssp. americanum: Leaf Margin

Crenate
Crenulate
Dentate
Denticulate
Doubly Crenate
Doubly Dentate
Doubly Serrate
Entire
Lobed
Serrate
Sinuate
Undulate

Erythronium americanum ssp. americanum: Hairs Present

No
Yes

Erythronium americanum ssp. americanum: Leaf Length

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Erythronium americanum ssp. americanum: Leaf Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long-lasting
Showy

Erythronium americanum ssp. americanum: Leaf Width

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Erythronium americanum ssp. americanum Stem

Erythronium americanum ssp. americanum: Stem Description

Naked green stems up to 6 inches long

Erythronium americanum ssp. americanum: Stem Color

grass
Green

Erythronium americanum ssp. americanum: Stem Is Aromatic

No
Yes

Erythronium americanum ssp. americanum Whole Plant Traits

Erythronium americanum ssp. americanum: Plant Type

Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower

Erythronium americanum ssp. americanum Cultural Conditions

Erythronium americanum ssp. americanum: Light

Dappled Sunlight (Shade through upper canopy all day)
Deep shade (Less than 2 hours to no direct sunlight)
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)

Erythronium americanum ssp. americanum: Soil Drainage

Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry

Erythronium americanum ssp. americanum: NC Region

Coastal
Mountains
Piedmont

Erythronium americanum ssp. americanum: USDA Plant Hardiness Zone

thermostat
3a
thermostat
3b
thermostat
4a
thermostat
4b
thermostat
5a
thermostat
5b
thermostat
6a
thermostat
6b
thermostat
7a
thermostat
7b
thermostat
8a
thermostat
8b

Erythronium americanum ssp. americanum Landscape

Erythronium americanum ssp. americanum: Landscape Theme

Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden

Erythronium americanum ssp. americanum: Landscape Location

Coastal
Container
Hanging Baskets
Houseplants
Lawn
Meadow
Naturalized Area
Near Septic
Patio
Pond
Pool/Hardscape
Recreational Play Area
Riparian
Rock Wall
Slope/Bank
Small Space
Vertical Spaces
Walkways
Woodland

Erythronium americanum ssp. americanum: Attracts

Bats
Bees
Butterflies
Frogs
Hummingbirds
Moths
Pollinators
Predatory Insects
Reptiles
Small Mammals
Songbirds
Specialized Bees