Growing Echinocactus Polycephalus And Echinocactus Horizonthalonius From SeedLophophora - Inform… · 14:49 25 Jun 2013Immaculate Echinocactus polycephalus seedlingBack in 2009 I bought 100 seeds each of Echinocactus polycephalus (SNL 91; Las Vegas, Nevada) and Echinocactus horizonthalonius (SB 409; Shafter… Read More