Trillium persistens

Common Names

Persistent Trillium, Persistent Wakerobin, Edna's Trillium

Summary

Trillium persistens is an endangered rhizomatous perennial in the lily family, endemic to the Tallulah Gorge region on the Georgia–South Carolina border, where it grows in mesic hardwood and upland forests along streams. It reaches about 20–30 cm tall and bears a whorl of three broad lanceolate leaves at the stem top just below a single white flower with three petals 2–3.5 cm long, and it produces a berry-type fruit. Conservation and cultivation considerations emphasize habitat protection, avoidance of disturbance, and invasive species control, with management including prescribed fire after the plant’s life cycle, and avoidance of herbicides and excessive logging. Ex situ propagation through in vitro micropropagation (shoot production up to eight months) and tissue culture supports recovery, while long-term seed storage and demographic studies guide planning; reintroduction efforts have included cultivation at Callaway Gardens. Deep double morphophysiological dormancy requires two winters and one summer to break dormancy, with flowering potentially taking 4–20 years depending on growing conditions.

Lifecycle

Perennial

Height

8-12 inches

Sunlight Requirements

Ideally partial shade.

Soil Type

Acidic, deep loam soil

Bloom Color

Pink, White

Bloom Time

Spring

Foliage Color

Dark green

Leaf Lifecycle

Deciduous

Growth Rate

Slow growth, 7-10 years to mature

Seasons of Interest

Spring

Propagation Methods

Seeds, Division, Tissue culture / micropropagation

Attracts Wildlife

Attracts ants and yellow jackets/wasps