Plant Description

Trillium ovatum

Western Trillium is a woodland flowering plant with a white flower that blooms in the spring.

A cluster of western trillium plants in bloom, with three-petaled white flowers.

PLANT CHARACTERISTICS

Characteristic Plant Information
Height Up to 2 ft
Growth Rate Slow
Life Cycle Perennial
Moisture Use Moderate to High
Drought Tolerance Low
Deer Browse Yes
Wildlife Value Good for pollinators, beneficial insects, birds, and small mammals
Hardiness USDA Zones 4-9
Bloom Time March-July
Bloom Color White, occasionally pale pink to burgundy
Habitat Type Woodlands

SCIENTIFIC CLASSIFICATION

Classification Scientific Name
Kingdom Plantae
Clade Angiosperms
Clade Eudicots
Order Liliales
Family Melanthiaceae
Genus Trillium
Species T. ovatum

Planting information

Sun

Full shade or partial shade

Soil

Moist soils, best with some organic matter

Special Uses

Great for pollinators, other beneficial insects, birds, and small mammals

Ease of Care

Moderate

RESOURCES

Oregon Flora Database
Wildflower Native Plant Database
USDA Plants Database

PLANT IMAGES

  • A cluster of western trillium plants in bloom, with three-petaled white flowers.
  • A closeup of a red trillium flower.
  • A cluster of trillium plants in bloom, some with white flowers and some with pinkish-red flowers
  • A closeup of a white trillium flower