Woodwardia fimbriata (Giant Chain Fern)

Woodwardia fimbriata line drawing (M.C. Taylor 1970 pp208)_cited.jpg
Woodwardia fimbriata (Redwoods).JPG
Woodwardia fimbriata line drawing (M.C. Taylor 1970 pp208)_cited.jpg
Woodwardia fimbriata (Redwoods).JPG

Woodwardia fimbriata (Giant Chain Fern)

10.00

This is the magnificent giant fern that inhabits the coastal redwood forests along with massive clumps of western sword ferns. This fern weaves a trail from northern Baja along the Pacific Coast north to Washington State.  The further north it occurs the closer to the coast it is found, seeking the temperate protection of large bodies of water. It is not particularly frost tolerant but will survive if grown in a protected site or near the water. It is susceptible to a fungal infection known as hard crown which inhibits the new croziers from developing if grown in a wet site in colder climates. In California I have seen it actually growing in ephemeral spring streams, so it does like water but prefers not to be saturated when the weather turns chilly. In my climate I compensate for the wet winter by giving it good drainage and planting it under sheltering conifers. This is a gorgeous architectural fern of coarse fronds with long shapely pointed lobes that have finely toothed edges. The linear sori line up on either side of the pinnule mid-rib in a chain-like fashion which is imprinted through to the upper surface of the frond.

Frond Condition:  Evergreen
Mature Height:  4-6'
Origin:  Western US
Cultural Requirements:  Some Shade, Full Shade, Partly Shaded, Evenly Moist, Slightly Moist
USDA Zones:  8 (with frost protection), 9, 10

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