Photo by Melody

PlantFiles: Blunt-lobed Cliff Fern, Blunt-lobe Woodsia, Woodsie lobes arrondis
Woodsia obtusa

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Family: Dryopteridaceae
Genus: Woodsia (WOODS-ee-a) (Info)
Species: obtusa (ob-TOO-suh) (Info)

Synonym:Polypodium obtusum
Synonym:Woodsia perriniana

One vendor has this plant for sale.

Category:
Perennials
Ferns

Height:
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

Spacing:
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)

Hardiness:
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
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
Full Shade

Danger:
N/A

Bloom Color:
Inconspicuous/none

Bloom Time:
N/A

Foliage:
Grown for foliage
Deciduous
Herbaceous
Smooth-Textured

Other details:
Average Water Needs; Water regularly; do not overwater
This plant may be considered a protected species; check before digging or gathering seeds

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From spores

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

Click thumbnail
to view:

By gregr18
Thumbnail #1 of Woodsia obtusa by gregr18

By Cretaceous
Thumbnail #2 of Woodsia obtusa by Cretaceous

By growin
Thumbnail #3 of Woodsia obtusa by growin

By ninagle
Thumbnail #4 of Woodsia obtusa by ninagle

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Cretaceous On Mar 26, 2007, Cretaceous from El Sobrante, CA (Zone 9b) wrote:

This fern is native to Canada, and the eastern-half of the United States (including Texas).

It is considered a threatened species in the states of Maine, Michigan, and New Hampshire, and is listed as exploitably vulnerable in New York state.

Regional...

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

Morrilton, Arkansas
Felida, Washington



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