Martin's Applecactus (Harrisia Martinii) is a perennial cactus in the Cactaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 9-11. This plant is toxic to cats and dogs — keep it out of reach of pets.

Harrisia martinii is a spiny, evergreen, much branched, clambering cactus with stems up to 2 meters or more long and 20-25 mm in diameter.