Late Horse Gentian (Triosteum Perfoliatum) is a perennial herb in the Caprifoliaceae family with moderate care difficulty. It requires moderate watering and partial shade or full shade or dappled_shade light in USDA hardiness zones 4-8. This plant is safe for cats and dogs.

Triosteum perfoliatum is a perennial flowering plant in the honeysuckle family, native to eastern and central North America, known for its distinctive perfoliate leaves and red tubular flowers.