118: 45 – 57. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils.

Structural class. Osmunda regalis.

Description Plants form huge, light green rosettes of up to 1.5 m high under favourable conditions. It grows on stream banks and in swamps, marshes, fens, and other wetlands in the Adirondack Mountains of upstate New York.

Its feathery appearance provides good texture accent; available in nursery trade. It can grow in semi-shade (light woodland) or no shade. Milde Osmunda regalis var. Osmunda regalis is unusual in that it forms new fertile fronds in autumn, and not in spring or summer as is common in most ferns. Taller in the wild. Helv. The royal fern (Osmunda regalis L.) is a threatened species, which reaches the northeastern border of its natural range in Poland. Fiddlehead: Ferns emerging in early spring are densely covered in woolly hair, which is quickly lost. Osmunda is becoming rare in many areas, as a result of wetland drainage and habitat loss though perhaps the historical harvesting of the plant for its roots has not helped. Struthopteris regalis (L.) Bernh., 1801 Homonyms Osmunda regalis L.

Typically grows in clumps to 2-3 feet tall, but with constant moisture can reach 6 feet in height. Osmunda regalis L.. Common Name: Royal Fern Family: Osmundaceae Bercht.& J. Presl. The pinnules are attached by a very narrow base.

Vascular – Exotic.

pumila Milde Osmunda spicata L.v.Buch Struthiopteris regalis (L.) Bernh. Osmunda regalis is a FERN growing to 2 m (6ft) by 1 m (3ft 3in) at a medium rate.

Royal Fern (Osmunda regalis) grows in partial to full shade; moist, acidic, somewhat water-retentive soil; with plenty of water it will tolerate nearly full sun. 118: 45 – 57. Cinnamon Fern Osmunda cinnamomea Royal Fern family (Osmundaceae) Description: This perennial fern consists of a loose rosette of sterile leaves about 2-4' tall; these leaves are ascending to nearly erect. Osmunda, fern genus of the family Osmundaceae, with divided fronds and often growing to a height of 1.5 metres (5 feet).The matted fibrous roots of these abundant ferns are called osmunda fibre, osmundine, or orchid peat; they are broken up and used as a rooting medium for epiphytic orchids (those that grow on other plants).

Ferns. A large graceful fern with smooth textured, pale green, 2-3 feet long, divided fronds that change to a brilliant yellow in autumn.
NVS code Help.

Often found at moderate elevations in the tropics, it is also very cold-hardy and is know to survive temperatures down to at least -30°c.

obtusiuscula Milde, 1867 Osmunda regalis var.


Habitat characteristics and vegetation context of Osmunda regalis L. at the southern edge of its distribution in Europe.


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