Pacific Trillium
Trillium ovatum
Family: Melanthiaceae
Pacific Trillium grows in partial shade and prefers rich moist woodland soil. Water needs: Moderate.
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How to Grow Pacific Trillium
Pacific Trillium growing information includes sunlight requirements of Partial shade, soil conditions listed as Rich moist woodland soil with a soil pH of 5.0-6.5, and Moderate water needs. The listed hardiness zones are 5-9. For propagation reference, the database lists germination or establishment information for Pacific Trillium as 60-180 days, with planting or establishment depth listed as 1/2 inch. Days to maturity are listed as 3-5 years.
Plant Overview
Pacific Trillium (Trillium ovatum) is listed in the Melanthiaceae family and categorized as a herbaceous perennial with a perennial life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Difficult.
- Plant ID
- PLT-3205
- Family
- Melanthiaceae
- Plant type
- Herbaceous perennial
- Life cycle
- Perennial
- Difficulty
- Difficult
Growing Conditions
Pacific Trillium is listed for partial shade conditions. Water needs are listed as moderate. The database soil reference is Rich moist woodland soil. The listed soil pH range is 5.0-6.5, and the listed hardiness range is 5-9.
- Hardiness zones
- 5-9
- Sunlight
- Partial shade
- Soil
- Rich moist woodland soil
- Soil pH
- 5.0-6.5
- Water needs
- Moderate
Seed & Germination
For seed starting, the listed germination time is 60-180 days and the seed depth is 1/2 inch. The listed time to maturity is 3-5 years. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 60-180 days
- Seed depth
- 1/2 inch
Harvest & Propagation
- Days to maturity
- 3-5 years
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Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.