Siebold’s Wood Fern An unusual Japanese fern, Dryopteris sieboldii is unlike other Dryopteris species in having undivided pinnae or leaflets. These are a bluish-green, and look lovely with glaucous hostas. A medium-sized, slow-growing semi-evergreen fern, it is a very useful textural plant and particularly attractive grown against stone. Although hardy in most winters, it benefits from having the crown protected in colder areas, as it is not bone-hardy. Siebold’s wood fern holds the RHS Award of Garden Merit. Site: ShelteredSoils: humus-rich, acid to neutral soilPosition: Partial shade, full shadeSeason of interest: Spring, summer, autumnHardiness: HardyHeight to 2’ (60cm) Spread to 20” (50cm)