• Photo of Erythronium americanum (Erythronium americanums)

Plant Profile: Erythronium americanum

Taxonomy: Erythronium americanum

Names

Dog-Tooth Violet, Fawn Lily, Trout Lily, Yellow Adder's Tongue

  • Photo of Erythronium americanum (Erythronium americanums)

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

Genus:Erythronium

Species:americanum

Family:Liliaceae

This enduring wildflower, characterized by its corm, emerges early in spring and enters dormancy by late spring. It thrives in moist, humus-rich soils and is adaptable to various garden settings that favor slightly acidic conditions. The flower blooms atop a stalk, typically accompanied by one or more leaves at its base, although young specimens may only display a single leaf. An ideal environment for this plant would be a shaded or partially shaded garden that offers ample moisture and nutrient-rich soil. It can also flourish in lush woodlands or low-lying areas.

The common names for this plant reflect the appearance of its flowers and leaves at different stages of growth. For instance, the name "Trout lily" is derived from the mottled pattern of its leaves, which resembles the markings of a trout swimming through water, as well as the overall shape of its petals.

This plant, along with its relatives in the Erythronium genus, plays a vital role in supporting the Andrena miner bee family, which is found throughout the United States. These bees are crucial for pollinating various woodland and garden bulbs, as well as berries and flowering trees and shrubs. The scientific designation for the miner bee attracted to this lily family is Andrena (Leucandrena) erythronii.

In terms of pests and diseases, this plant does not face any significant issues from insects or diseases.

Erythronium americanum Feature Summary

Erythronium americanum Image Gallery

Tags

#purple
#yellow
#perennial
#green
#brown
#wildlife plant
#purple flowers
#corm
#shade tolerant
#yellow flowers
#corms
#nectar plant
#specialized bees
#NC native
#spring interest
#acidic soil tolerant
#pollinator plant
#wildflower garden
#early spring flowers
#partial shade tolerant
#bee friendly

Similar Plants

Erythronium americanum is often confused with:

Erythronium americanum Feature Summary

Attributes
Eastern Canada to North Central & Eastern U.S.A
Members of the genus Erythronium support the following specialized bee: Andrena (Leucandrena) erythronii.
Perennial
Attracts Pollinators
Fruit
A capsule that splits to release two or more seeds.
Flowers
The yellow 1.5 in. bell-shaped flower on a stalk has six petals/ perianth parts that may curve backward at the tip and are often tinged with purple on the back.
Purple/Lavender
Gold/Yellow
6 petals/rays
1-3 inches
Leaves
This plant has a pair of elliptic leaves 4-6 in. long. The leaves are pale green and mottled with purplish-brown.
Green
Brown/Copper
Purple/Lavender
Elliptical
Lanceolate
> 6 inches
1-3 inches
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)
Acid (<6.0)
Good Drainage
4a
4b
5b
5a
6a
6b
7a
7b
8b
8a
3a
3b
High Organic Matter
Loam (Silt)
Landscape
Pollinator Garden
Shade Garden
Insect Pests
Diseases
Woodland
Naturalized Area
Riparian
Pollinators
Bees
Specialized Bees

Erythronium americanum Attributes

Erythronium americanum: Country Or Region Of Origin

Eastern Canada to North Central & Eastern U.S.A

Erythronium americanum: Wildlife Value

Members of the genus Erythronium support the following specialized bee: Andrena (Leucandrena) erythronii.

Erythronium americanum: Particularly Resistant To (Insects/Diseases/Other Problems)

insect pests, diseases, shade

Erythronium americanum: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Erythronium americanum: Recommended Propagation Strategy

Division
Grafting
Layering
Leaf Cutting
Root Cutting
Seed
Stem Cutting

Erythronium americanum: Play Value

Attractive Flowers
Attracts Pollinators
Buffer
Colorful
Defines Paths
Easy to Grow
Edible fruit
Fragrance
Pieces Used in Games
Screening
Shade
Sound
Textural
Wildlife Cover/Habitat
Wildlife Food Source
Wildlife Larval Host
Wildlife Nesting
Wind Break
Wind Shimmer

Erythronium americanum Fruit

Erythronium americanum: Fruit Description

A capsule that splits to release two or more seeds.

Erythronium americanum Flowers

Erythronium americanum: Flower Description

The yellow 1.5 in. bell-shaped flower on a stalk has six petals/ perianth parts that may curve backward at the tip and are often tinged with purple on the back.

Erythronium americanum: Flower Color

filter_vintage
Gold/Yellow
filter_vintage
Purple/Lavender

Erythronium americanum: Flower Bloom Time

Winter
Spring
Summer
Fall

Erythronium 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: Flower Shape

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

Erythronium americanum: Flower Size

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

Erythronium americanum Leaves

Erythronium americanum: Leaf Description

This plant has a pair of elliptic leaves 4-6 in. long. The leaves are pale green and mottled with purplish-brown.

Erythronium americanum: Leaf Color

spa
Brown/Copper
spa
Green
spa
Purple/Lavender

Erythronium americanum: Leaf Arrangement

Alternate
Opposite
Other/more complex
Rosulate
Whorled

Erythronium 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: Hairs Present

No
Yes

Erythronium americanum: Leaf Length

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

Erythronium americanum: Leaf Width

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

Erythronium americanum Whole Plant Traits

Erythronium 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 Cultural Conditions

Erythronium 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: Soil pH

Acid (<6.0)
Alkaline (>8.0)
Neutral (6.0-8.0)

Erythronium americanum: Soil Drainage

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

Erythronium 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: Soil Texture

Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky

Erythronium americanum Stem

Erythronium americanum: Stem Is Aromatic

No
Yes

Erythronium americanum Landscape

Erythronium 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: Resistance To Challenges

Black Walnut
Compaction
Deer
Diseases
Drought
Dry Soil
Erosion
Fire
Foot Traffic
Heat
Heavy Shade
Humidity
Insect Pests
Pollution
Poor Soil
Rabbits
Salt
Slugs
Squirrels
Storm damage
Urban Conditions
Voles
Wet Soil
Wind

Erythronium 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: Attracts

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