Iron Cross (Oxalis Tetraphylla) is a perennial bulb in the Oxalidaceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 7-10. This plant is toxic to cats and dogs — keep it out of reach of pets.

A bulbous perennial forming a lush mound of rich green leaves composed of four heart-shaped leaflets, each with a dark purplish blotch at its base.