Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Melanthiaceae

Genus:

Pseudotrillium

Species:

Pseudotrillium rivale

USDA Symbol:

TRRI2

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

15 cm

Light Requirements:

Part Shade

Drought Tolerance:

Low

Bloom Months:

mar,apr,may

Bloom Colors:

white, pink, purple

Garden & Ecology Notes

Wildlife Value:

ants

Deer Resistant:

Yes

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

consistently moist

Notes:

native to shaded, forested areas

Propagation & Germination

Stratification:

Warm then cold/moist stratification (double dormancy) — 60–90 days

Notes:

Double dormancy typical; warm period followed by cold stratification. Germination may take 1-2 years.

The above propagation data sourced from Claude AI