2-4 “ tall x 4-6" wide. A subspecies of Spiny Star Cactus, Escobaria vivipara v. neomexicana has dense, white or off-white spines that completely hide the round, golf-ball sized stems. Blooming in late spring with magenta-pink flowers, this very cold hardy wildflower hails from the Sacramento Mountains, a botanically diverse sky island in south-central New Mexico. An outstandingly beautiful form of this widespread species.