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Erythronium grandiflorum Pursh
Yellow avalanche-lily, Glacier lily, Yellow fawn-lily, Dogtooth violet
USDA Symbol: ERGR9
USDA Native Status: L48 (N), CAN (N)
Two to three mottled, fleshy, elliptic, basal leaves, to 14 in. long, surround the one- to several-flowered 6-18 in. flower stalks. 1-5 pale to golden yellow flowers hang at end of a stalk that grows from between 2 broadly lanceolate basal leaves. One to five graceful, nodding, bell-shaped flowers are bright yellow. The sepals and petals are bent back fully, revealing the large, white stigma and yellow, red or white anthers. Yellow avlanche-lily, a perennial, often occurs in large patches.
This species often blooms as snow recedes. A form with white or cream petal-like segments with a band of golden yellow at the base grows in southeastern Washington and adjacent Idaho. A second species with bright yellow flowers. Mother Lode Fawn Lily (E. tuolumnense), grows in woodland at low elevations on the western slope of the Sierra Nevada in central California.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf Complexity: Simple Fruit: Size Class:
Bloom InformationBloom Color: Red , Yellow
Bloom Time: May , Jun , Jul
, WY Canada: AB Native Distribution:
n. to s. B.C. & Alt. Native Habitat:
Open woods; meadow edges; various altitudes
Growing ConditionsLight Requirement:
Part Shade Soil Moisture:
Moist Soil Description:
Moist soils. Conditions Comments:
This species is not easily maintained west of the Cascades. Plants from lowland stock are more easily established, and will often self-seed. Corms need protection from gophers. Var. candidum, occuring from e. WA
to w. MT,
has white flowers.
Propagate using offsets or seed. Plant seeds 1/4 in. deep. A single leaf will appear the first spring. Keep the developing plant shaded and moist and, if necessary, transplant the corms to permanent locations in the fall. Seedlings take at least three Seed Collection:
matures two months after flowering. Seed Treatment:
Stratify seed at 40 degrees for 3-4 months if not sown immediately. Commercially Avail:
National Wetland Indicator Status
|Status:|| FACU || FACU |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Native Seed Network
- Corvallis, OR
Record Last Modified: 2013-06-21
Research By: TWC Staff