Idaho Trillium (Trillium Petiolatum) is a perennial herb in the Melanthiaceae family with moderate care difficulty. It requires moderate watering and partial shade or dappled_shade or full shade light in USDA hardiness zones 4-8. This plant is toxic to cats and dogs — keep it out of reach of pets.

Trillium petiolatum is a perennial herbaceous plant native to the northwestern United States, known for its distinctive long-petioled leaves and dark red-brown flowers.