Opuntia fragilis var. denudata (Potato Cactus)
Asparagus-green pads are small, round and spinless, looking much like small potatoes. Flowers, approximately 5cm in size and shaped like little eggcups, are a deep, vivid lemon in colour with a hint green-apple in the throat. Unusual and popular.
Height/spread: 12 x 30 cm
Growth Rate: Slow
Hardiness: Zone 4