North America Native Plant

Yellow Avalanche-lily

Botanical name: Erythronium grandiflorum

USDA symbol: ERGR9

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Yellow Avalanche-Lily: A Mountain Meadow Beauty for Your Shade Garden If you’ve ever hiked through mountain meadows in the western United States and been greeted by cheerful yellow blooms poking through melting snow, you’ve likely encountered the delightful yellow avalanche-lily (Erythronium grandiflorum). This charming native wildflower brings that same mountain ...

Yellow Avalanche-Lily: A Mountain Meadow Beauty for Your Shade Garden

If you’ve ever hiked through mountain meadows in the western United States and been greeted by cheerful yellow blooms poking through melting snow, you’ve likely encountered the delightful yellow avalanche-lily (Erythronium grandiflorum). This charming native wildflower brings that same mountain magic to home gardens, offering early spring color when most other plants are still sleeping.

What Makes Yellow Avalanche-Lily Special

Yellow avalanche-lily is a native perennial forb that grows from an underground bulb. True to its common name, this plant produces stunning bright yellow flowers with distinctive reflexed petals that curve backward, creating an almost turban-like appearance. The blooms nod gracefully on slender stems, usually appearing singly but sometimes in small clusters.

The plant’s mottled leaves are equally attractive, featuring green foliage with distinctive brownish or purplish markings that add visual interest even when the plant isn’t blooming. As a spring ephemeral, yellow avalanche-lily puts on its show early in the season before retreating underground for the summer months.

Where It Grows Naturally

This native beauty calls western North America home, naturally occurring across an impressive range that includes Alberta, British Columbia, California, Colorado, Idaho, Montana, New Mexico, Oregon, Utah, Washington, and Wyoming. It’s native to both Canada and the lower 48 states, making it a true North American treasure.

Why Gardeners Love (and Sometimes Struggle With) This Plant

Yellow avalanche-lily offers several compelling reasons to include it in your garden:

  • Early spring color: Blooms when few other plants are active, providing crucial early nectar for pollinators
  • Native plant benefits: Supports local ecosystems and wildlife
  • Unique beauty: Distinctive flowers and attractive mottled foliage
  • Low maintenance: Once established, requires minimal care

However, this plant does come with some challenges that might make it less suitable for certain gardeners:

  • Specific growing requirements: Needs cool, moist conditions and doesn’t tolerate heat well
  • Short bloom period: Flowers for only a few weeks in early spring
  • Summer dormancy: Foliage dies back completely by mid-summer
  • Slow establishment: Takes time to become established and naturalize

Perfect Garden Settings

Yellow avalanche-lily thrives in woodland gardens, shaded rock gardens, and naturalized areas that mimic its mountain meadow origins. It’s particularly well-suited for:

  • Woodland and shade gardens
  • Alpine and rock gardens
  • Native plant gardens
  • Naturalized meadow areas
  • Areas beneath deciduous trees where it can receive spring sun before leaves emerge

Growing Conditions and Care

Success with yellow avalanche-lily depends on recreating its preferred mountain conditions:

Light: Partial to full shade, though it can tolerate some morning sun in cooler climates

Soil: Well-draining, humus-rich soil that stays consistently moist during the growing season but doesn’t become waterlogged

Water: Consistent moisture during spring growing season, but can tolerate drier conditions during summer dormancy

Climate: Hardy in USDA zones 3-8, requires cool conditions and winter chill for proper blooming

Planting and Care Tips

Getting yellow avalanche-lily established requires some patience, but the rewards are worth it:

  • Timing: Plant bulbs in fall, about 3-4 inches deep and 4-6 inches apart
  • Soil preparation: Amend heavy soils with compost to improve drainage while retaining moisture
  • Mulching: Apply a layer of organic mulch to keep roots cool and retain moisture
  • Patience: Allow foliage to die back naturally to feed the bulb for next year’s growth
  • Avoid disturbance: Once planted, avoid digging around bulbs as they don’t like to be disturbed

Supporting Pollinators and Wildlife

As one of the earliest bloomers in mountain ecosystems, yellow avalanche-lily provides crucial early-season nectar for native bees, flies, and other pollinators emerging from winter. In your garden, it serves the same vital function, helping to support local pollinator populations when few other food sources are available.

Wetland Considerations

Yellow avalanche-lily has a Facultative Upland wetland status in both the Arid West and Western Mountains regions, meaning it typically grows in non-wetland areas but can occasionally be found in wetland settings. This flexibility makes it adaptable to various moisture conditions in the garden, though it generally prefers well-draining sites.

Is Yellow Avalanche-Lily Right for Your Garden?

This native beauty is perfect for gardeners who appreciate ephemeral spring displays and want to support native ecosystems. It’s particularly well-suited for cooler climates and shaded gardens where its specific needs can be met. While it may not provide long-lasting color like some garden perennials, its early spring charm and ecological benefits make it a valuable addition to native plant gardens and woodland settings.

If you’re looking for a true native that connects your garden to the wild mountain meadows of western North America, yellow avalanche-lily offers a unique opportunity to bring that natural beauty home – just be prepared to work with its mountain sensibilities!

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Western Mountains, Valleys, and Coast

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Yellow Avalanche-lily

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Liliales

Family

Liliaceae Juss. - Lily family

Genus

Erythronium L. - fawnlily

Species

Erythronium grandiflorum Pursh - yellow avalanche-lily

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA