Ferns are fine textured lacey-leaf groundcovers. Many kinds of ferns add a tropical accent to the shade garden. Autumn fern (Dryopteris erythrosora), aka Japanese wood fern, has evergreen or semi-evergreen arching foliage, depending how cold it gets in winter (USDA hardiness zones 5 to 8). Its common name is misleading. Best frond colors are in spring; the fronds unfurl […]