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Native Wildflower · Easy

How to Grow Trout Lily

Erythronium americanum

Your complete guide to growing Trout Lily.

☀SunPartial shade (4-6 hours)
💧WaterHigh
🗺Zones3–8
📏Height4-6 inches
Trout Lily📷 Wikimedia Commons

When to Plant Trout Lily

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 3 — May – July —
Zone 4 — April – June —
Zone 5 — April – June —
Zone 6 — April – June —
Zone 7 — March – May —
Zone 8 — March – May —

Companion Plants for Trout Lily

✓ Good companions

Bloodroot

Compatible spring ephemeral with similar growing conditions and bloom timing

Ferns

Provide natural woodland understory conditions and don't compete during active growth

Hepatica

Early spring bloomer with compatible root systems and moisture needs

Jack-in-the-Pulpit

Thrives in same moist, shaded woodland conditions without competition

Mayapple

Provides summer shade cover after trout lily goes dormant, similar soil preferences

Virginia Bluebells

Similar spring ephemeral habit with complementary bloom times and soil needs

Wild Columbine

Attracts beneficial pollinators and shares similar partial shade requirements

Wild Ginger

Similar shade and moisture requirements, blooms after trout lily foliage dies back

✗ Keep away from

Black Walnut

Produces juglone which is toxic to many wildflowers including trout lily

Dense Turf Grass

Competes aggressively for moisture and nutrients, prevents natural leaf litter accumulation

Invasive Garlic Mustard

Allelopathic compounds inhibit native wildflower germination and growth

Norway Maple

Creates dense shade and shallow root competition, suppresses native understory plants

Notes from the garden

A greener inbox, occasionally.

Seasonal planting ideas, useful tips and a little inspiration. No weeds.