Astrophytum coahuilense seeds
Synonyms:
Astrophytum myriostigma subs. coahuilense, Astrophytum myriostigma var. coahuilense, Astrophytum myriostigma var. coahuilense, Echinocactus myriostigma subs. coahuilensis
Plant Origin:
Astrophytum coahuilense seeds. USDA 9b-10. Hardy to 20° F. Full sun to part shade. Solitary columnar or globose cactus, up to 2′ tall, 8″ in diameter. Moderate water in summer, no water in winter. Flowers are yellow with a red center.