fernery

noun

1. A specialized garden for the cultivation and display of ferns.

   “My aunt especially loved the smaller fern houses, the ferneries.”

2. An area naturally abundant in ferns.

   “Only the memory of the waterfall, with its amazing fernery, like a hanging garden above the rocks of the gorge, was preserved in Mrs. Gould's water-color sketch; she had made it hastily one day from a cleared patch in the bushes, sitting in the shade of a roof of straw erected for her on three rough poles under Don Pépé's direction.”