How to Grow Trout Lily
Erythronium americanum
Your complete guide to growing Trout Lily.
When to Plant Trout Lily
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
Companion Plants for Trout Lily
✓ Good companions
Compatible spring ephemeral with similar growing conditions and bloom timing
Provide natural woodland understory conditions and don't compete during active growth
Early spring bloomer with compatible root systems and moisture needs
Thrives in same moist, shaded woodland conditions without competition
Provides summer shade cover after trout lily goes dormant, similar soil preferences
Similar spring ephemeral habit with complementary bloom times and soil needs
Attracts beneficial pollinators and shares similar partial shade requirements
Similar shade and moisture requirements, blooms after trout lily foliage dies back
✗ Keep away from
Produces juglone which is toxic to many wildflowers including trout lily
Competes aggressively for moisture and nutrients, prevents natural leaf litter accumulation
Allelopathic compounds inhibit native wildflower germination and growth
Creates dense shade and shallow root competition, suppresses native understory plants