Wenatchee Mountains Trillium (Trillium Crassifolium) is a perennial herb in the Melanthiaceae family with moderate care difficulty. It requires moderate watering and partial shade or full shade light in USDA hardiness zones 5-7. This plant is toxic to cats and dogs — keep it out of reach of pets.

Trillium crassifolium is a species of flowering plant in the bunchflower family Melanthiaceae, endemic to the Wenatchee Mountains in Washington State, USA.