Photo by Melody

PlantFiles: Giant Chain Fern
Woodwardia fimbriata

Family: Blechnaceae
Genus: Woodwardia (wood-WARD-ee-uh) (Info)
Species: fimbriata (fim-bry-AH-tuh) (Info)

Synonym:Woodwardia chamissoi
Synonym:Woodwardia paradoxa

4 members have or want this plant for trade.


24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)

USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)

Sun Exposure:
Light Shade
Partial to Full Shade

Unknown - Tell us

Bloom Color:

Bloom Time:

Grown for foliage

Other details:
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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By palmbob
Thumbnail #1 of Woodwardia fimbriata by palmbob

By growin
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By growin
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By Cretaceous
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By Cretaceous
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By Kelli
Thumbnail #6 of Woodwardia fimbriata by Kelli

By Cretaceous
Thumbnail #7 of Woodwardia fimbriata by Cretaceous

There are a total of 20 photos.
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2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive pennysn2bugs On Aug 31, 2012, pennysn2bugs from Brooks, OR wrote:

During the week of Aug 12, 2012, while camping on Briggs Creek, SW Oregon (Josephine Co), I had the pleasure of encountering this beautiful fern. I had never seen a fern quite like this before, and was enthralled with it, determined to find out what kind it was. (I even brought home a small specimen w/roots intact in native soil.) It definitely is a water lover, as it was flourishing close to streams and/or in soggy ground. I don't recall ever seeing a fern like it here in the Western Cascades or Willamette Valley, which is a good 150+ miles further north of where I found it. I hope I can provide it with its requirements and coax it into a healthy, thriving fern in all its glory, just as I remember it. What a beautiful and interesting addition to my shaded yard.

Neutral Cretaceous On Mar 25, 2007, Cretaceous from El Sobrante, CA (Zone 9b) wrote:

This fern is native to British Columbia, Canada, the USA (Arizona, California, Nevada, Oregon, and Washington), and Mexico.

Positive palmbob On Apr 10, 2004, palmbob from Acton, CA (Zone 8b) wrote:

Easy to grow fern for me as long as I don't let it get overheated and sunny. It is a native fern to the Western US and Canada... can grow in the right environment fronds up to 9' tall. Will root new ferns where leaves touch the ground. Sometimes deciduous in certain climates.


This plant has been said to grow in the following regions:

Crescent City, California
El Cerrito, California
Hayward, California
Merced, California
Monrovia, California
Simi Valley, California
Thousand Oaks, California
Ashland, Oregon

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