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

Family: Liliaceae (lil-ee-AY-see-ee)
Genus: Erythronium (er-ih-THROH-nee-um)
Species: americanum (a-mer-ih-KAY-num)

Category

Bulbs
Perennials

Water Requirements

Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

Sun Exposure

Light Shade
Partial to Full Shade

Foliage

Herbaceous
Textured
Veined

Foliage Color

Unknown

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)

Where to Grow

Unknown

Danger

Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color

Bright Yellow

Bloom Characteristics

Unknown

Bloom Size

Unknown

Bloom Time

Mid Spring
Late Spring/Early Summer

Other details

Unknown

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

Unknown