Opuntia argentiniana is a dwarf Opuntia with small lime-green "pads" (flattened joints) to 2.5" in width and tan spines to 1/3" in length. Unusual yellow flowers to 1" in diameter that open flattened. Protect from frost. Provide filtered light; hardy to 32F; to 10" tall. Water thorougnly when soil is dry.