Resembles the Boston Fern. Can be grown in containers outside. No pest or disease problems. Hardy in zones 5 to 9 . Resembles Christmas Fern but is much larger.
Fronds are slightly dimorphic, with the fertile fronds standing more erect than sterile fronds.
Plants require moist, acidic, humus-rich soil in partial to full shade. Established plants are drought and cold tolerant. A native plant from California to Alaska. The giant in this genus. No pest or disease problems.