← Back to plants
Photos are representative and may not match your specific variety.
Large-Flowered Trillium
Native wildflower
Native wildflowerTrillium grandiflorum
- Partial sun
- Zones 4–8
- 60 days to maturity
- Flowers
- 12" spacing
- Low water
- Perennial
- pH 6–8
Overview
Large-Flowered Trillium (Trillium grandiflorum) is a perennial native wildflower. Hardy in USDA zones 4 to 8. Prefers part sun.
Planting
Sow stratified seed indoors in spring after 30-60 days cold moist stratification, or direct sow in fall for natural stratification. Most gardeners plant bare rhizomes in fall or early spring.
Growing
Sun: partial. Water: low. Soil pH: 6–8. Space plants 12" apart. Germination: 30-60 days (after cold stratification).
Pests & diseases
Common pests: Slugs, deer (occasional). Common diseases: None significant.