LET272 Silver Dollar Prickly Pear ( Opuntia robusta )
A large cactus to 6 to 7 feet tall and as wide with round flat silvery-gray pads that are jointed together often at nearly perpendicular angles can reach 20-30" across. The pads have scattered pale spines which though, not plentiful or covering the surface of the leaves, are 1 to 2 inches long, so fairly wicked. Large yellow flowers appear in later spring and in summer are followed by large deep red fruit. Plant in full sun in a well-drained soil and water infrequently to not at all. Hardy to around 5 degrees F. This plant is widespread in central and Northern Mexico to within 100 miles of the Arizona and New Mexico borders where it grow from 5,000 to 10,000 feet rocky slopes, open shrublands, woodlands and mixed with other cactus and succulents.