Opuntia humifusa EASTERN PRICKLY PEAR Hardy Cactus SEEDS! Winter hardy in zones 4-10. Showy yellow blooms are produced in summer followed by fleshy green fruits that mature to red. Mature height is 12-60 inches with a spread of about 3'. Plants tend to form large colonies through vegetative reproduction and self-seeding. Features: Strong architectural interest, showy blooms Precautions: Plants have sharp spines that can cause injury; avoid contact and use adequate protection whenever handling. Guaranteed true to species. Detailed sowing instructions are included with your purchase.