Thelocactus macdowellii, called the Chihuahuan snowball, is a species of cactus native to northeastern Mexico.[1][2] It has gained the Royal Horticultural Society's Award of Garden Merit.[3]
Thelocactus macdowellii, called the Chihuahuan snowball, is a species of cactus native to northeastern Mexico. It has gained the Royal Horticultural Society's Award of Garden Merit.