Yellow-wort (Blackstonia Perfoliata) is a annual herb in the Gentianaceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 6-9. This plant is safe for cats and dogs.

Blackstonia perfoliata, commonly known as Yellow-wort, is a small annual herbaceous plant with bright yellow flowers, native to chalk and limestone grasslands.