Mammillaria coahuilensis Hipolito, Coahuila, MX SB699

Mammillaria coahuilensis is a semi-cold hardy species from northern Mexico.  These plants grow in clay pans of a dry lake in wild. We have had these survive -6F one winter but the plants were eaten by a rodent in the yard after. And we have not gotten that cold again. These plants are quite old sown in 2022. 
 
We share our experiences to help with your own trials of cold hardiness. We do not guarantee these plants in any garden or zone. Every garden is different and everyones growing conditions are different. Please try plants at your own risk, I do not want to be misleading to anyone.