Hello, I live in hungary, substrate akadama, seramis+lava rock and some bark , exept farrerii, segawaei, fasciolatum and cordigerum, they grow in clear anorganic mix.
Istvan
Some said that farrerii is very hard to grow, especially in winter, I kept my chineese cyps with my oleanders in cca.+5 C and got few water only two times in winter.