Trout Lily (Erythronium americanum)

Photo: Tom ScavoCC BY 4.0via iNaturalistresized / cropped

Trout Lily Plant Care

Erythronium americanum Ker Gawl.

Updated · Sources · How we source care data

This stunning plant is known for its mottled leaves resembling the markings of a trout, originating from the woodlands of eastern North America. Plant collectors are drawn to Erythronium americanum for its unique foliage and delicate, nodding yellow flowers that bloom in early spring.

🌼Perennials🧅Bulbs & Tubers
Light

Partial shade to full shade

At a glance

How do you care for Trout Lily?

Trout Lily grows best in partial shade to full shade.

Where Is the Trout Lily Native To?

Native range3 countries

What Is the Trout Lily?

Trout Lily (Erythronium americanum) belongs to the Liliaceae family within the Erythronium genus. Trout Lily is native to North America and dwelling in woodland habitats. Trout Lily is also known as Yellow Fawn Lily, Yellow Dogtooth Violet, Adders Tongue.

Trout Lily displays a low rosette, clumping growth habit, reaching up to tall with a spread of approximately . Trout Lily produces showy, nodding flowers in shades of white, pink, or yellow.

What Light Does the Trout Lily Need?

Trout Lily thrives in partial shade to full shade. Avoid placing Trout Lily in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Partial shade to full shade

What Soil Mix Works Best for a Trout Lily?

Moist, well-draining soil with high organic content. Good drainage is essential for Trout Lily to prevent waterlogging, which leads to root rot and fungal issues.

How Do You Repot a Trout Lily?

Repot every 2-3 years in early fall. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Trout Lily?

Trout Lily can be propagated through division of bulbs, seeds.

Is the Trout Lily Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Trout Lily, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Trout Lily?

Trout Lily is susceptible to slugs, snails, aphids. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Trout Lily Need?

Trout Lily grows outdoors in USDA Zone 3a – 8b. It survives winters down to planting zone 3a. Trout Lily is native to North America and dwelling in woodland habitats.

Hardiness Zone

Zone 3a – 8b

Keep exploring plants

Trout Lily is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Erythronium genus — compare its care with other Erythronium species on PlantoScan.

Erythronium is part of the Liliaceae plant family — browse all Liliaceae genera and species.

Trout Lily copes with lower light than most plants — browse the full list of low-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Erythronium americanum Ker Gawl., family Liliaceae (first published in Bot. Mag. 28: t. 1113 (1808)) — World Flora Online record, IPNI name record, Wikidata.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Trout Lily, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Photo: Tom Scavo, CC BY 4.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 3a – 8b, estimated from the plant's typical growing conditions.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

PlantoScan app icon

Identify Plants Like the
Trout Lily Instantly

Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.

Download on the App StoreGet it on Google Play

Free

to download

iOS & Android

platforms

Light & dark

mode

100,000+

species