Polystichum tsus-simense, "Korean Rock Fern"

The Korean Rock Fern (Polystichum tsus-simense) is native to South-East Asia and is commonly found growing in full-sun to full-shade on rock walls. 

☀️ Light: Shade to full sun in cooler conditions

💦 Water: Keep constantly moist but not soggy.  This fern can tolerate the soil completely drying out.