Herbaceous perennialPerennialDifficult

Sessile Trillium

Trillium sessile

Family: Melanthiaceae

Sessile Trillium grows in partial shade and prefers rich moist woodland soil. Water needs: Moderate.

Growing Guide Browse Plants

Photo Gallery

Plant reference images showing growth stages and identifying features.

Sessile Trillium plant — **Plant**
Photo info
Credit: Fritzflohrreynolds · Source · CC BY-SA 3.0

Sessile Trillium flower — **Flower**
Photo info
Credit: Barnes Dr Thomas G, U.S. Fish and Wildlife Service · Source · Public domain

Sessile Trillium leaves — **Leaves**
Photo info
Credit: Department of the Interior. U.S. Fish and Wildlife Service. National Conservation Training Center. 10/1997-8888 · Source · Public domain

How to Grow Sessile Trillium

Sessile Trillium growing information includes sunlight requirements of Partial shade, soil conditions listed as Rich moist woodland soil with a soil pH of 5.0-7.0, and Moderate water needs. The listed hardiness zones are 4-8. For propagation reference, the database lists germination or establishment information for Sessile 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

Sessile Trillium (Trillium sessile) 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-3200
Family: Melanthiaceae
Plant type: Herbaceous perennial
Life cycle: Perennial
Difficulty: Difficult

Growing Conditions

Sessile 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 5.0-7.0, and the listed hardiness range is 4-8.

Hardiness zones: 4-8
Sunlight: Partial shade
Soil: Rich moist woodland soil
Soil pH: 5.0-7.0
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

One plant · one ecosystem

Find, buy, swap, or sell Sessile Trillium

One World One Seed connects this plant profile to community sellers, plant swaps, storefronts, and participating garden retailers.

🌱Find Sessile Trillium locallyBrowse community Marketplace listings for this exact plant.View Marketplace →🔄Plant SwapsFind or organize community plant and seed swap events.Find swaps →🏪Sell Sessile TrilliumOpen your OWOS storefront and list plants, seeds, cuttings, or garden goods.Open seller dashboard →

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.