This herbaceous perennial has a short thick rhizome with ascending stems and terminal leaves that form a compact clumping habit. It has large mid-green diamond-shaped leaves and the white broad funnel-shaped flowers appear in mid-spring.

Hardiness zones 3 to 9 

Trillium simile is naturally found in south-eastern North America growing in the understory of woodland in damp areas or on slopes with very rich soil. 

It prefers a shaded to semi-shaded protected position and grows in well to moderately drained organic rich moist soils that are tending acidic and is  frost tolerant but drought tender.

Sweet White Trillium is grown for its flowers and clumping habit. It is naturalised in woodland settings or planted along shaded garden borders and is use around a water feature. It is suitable for low-mountain regions establishing in 2-3 years and is moderately long-lived. This plant is rare in its native habitat and it may be difficult to obtain requiring a specialist nursery. ID 3576

Trillium (TREE-lee-um) simile (SEE-mee-lay) 

Liliaceae (lil-ee-AY-see-ee)
Lily Family