6" Prickly Pear CactusPrickly Pear Cactus (Opuntia spp.) Prickly Pear Cactus is a classic desert plant known for its flat, paddle shaped segments and bold, sculptural presence. The pads range from deep green to blue green and are covered in fine glochids and occasional spines, giving the plant its unmistakable look. Hardy and sun loving, this cactus adds instant southwest vibes and strong texture to any bright space. While often grown outdoors in warmer climates, Prickly