fern and rock garden plant, grows wild on a wall

fern rock garden plant grows wild wall forest green leaf moss outdoor summer flora grass leaves water area botany bush castle centraleurope climate crevice crown cultivatedform decay wildgrowth dwarfshrub evergreen fine floweringseason fortification groundcover grow heightofgrowth herbalsoil ireland july mainland mass moor moorland overgrown pointed rockfissure rockgarden romantic ruin september stoneherb thrive usury