Trillium cuneatum1 / 3

Key characteristics

Family
Melanthiaceae
Height
12 to 18 in
Width
12 to 18 in
Flower color
Deep maroon to chocolate brown, sometimes with greenish or purplish undertones
Foliage color
Broad, mottled leaves of 3 in shades of green, gray-green, and silvery marbling
Bloom time
Mid to late spring
Light
Partial shade to full shade
Water
Moderate
Maintenance
Low; allow foliage to die back naturally and avoid disturbance once established
Growing zone
USDA zones 4 to 8
Wildlife
Ants attracted to seed elaiosomes and early woodland pollinators

Perennials

Trillium cuneatum

Sweet Betsy Trillium

Trillium cuneatum emerges in spring with three broad, mottled leaves patterned in marbled shades of green, bronze, and silver. At their center sits a sessile flower whose petals blend deep maroon, olive, and muted purple tones, often accompanied by an earthy fragrance. The plant forms quiet colonies beneath deciduous canopies, where filtered light highlights its intricate foliage and low, sculptural presence.

Blooming in early to mid spring, it is native to woodland regions of the southeastern United States and has long been valued for naturalistic plantings. It settles easily into shaded gardens, enriching understory compositions, seasonal displays, and collections focused on regional flora.

Light
Partial shade to full shade
Water
Moderate
Bloom time
Mid to late spring

Works well in

  • Borders
  • Shade Gardens
  • Woodland Gardens
  • Pollinator Gardens
  • Containers

Companion plants

Hostas · Bleeding hearts · Solomon's seal · Ferns · Lungworts · Wild ginger

Design tip

The early flowers arrive when the garden is still waking up, so give it a spot you pass often in spring. Keep it out of hot afternoon sun and layer it with woodland companions for a full, settled look.

Where to see it

This plant can be seen at the Bellevue Botanical Garden.

More perennials