Photo by Melody

PlantFiles: Coastal Woodfern, California Wood Fern, Coastal Wood Fern, Western Wood Fern
Dryopteris arguta

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Family: Dryopteridaceae
Genus: Dryopteris (dry-OP-ter-iss) (Info)
Species: arguta (ar-GOO-tuh) (Info)

Synonym:Aspidium argutum

One member has or wants this plant for trade.

Category:
Ferns

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

Spacing:
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Hardiness:
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)

Sun Exposure:
Light Shade
Partial to Full Shade
Full Shade

Danger:
Unknown - Tell us

Bloom Color:
Inconspicuous/none

Bloom Time:
N/A

Foliage:
Grown for foliage
Evergreen
Shiny/Glossy-Textured
Veined
Leathery-Textured

Other details:
Drought-tolerant; suitable for xeriscaping
This plant is fire-retardant
This plant is resistant to deer
Provides winter interest
Suitable for growing in containers

Soil pH requirements:
4.5 or below (very acidic)
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

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 Cretaceous
Thumbnail #1 of Dryopteris arguta by Cretaceous

By Cretaceous
Thumbnail #2 of Dryopteris arguta by Cretaceous

By Cretaceous
Thumbnail #3 of Dryopteris arguta by Cretaceous

By Cretaceous
Thumbnail #4 of Dryopteris arguta by Cretaceous

By Cretaceous
Thumbnail #5 of Dryopteris arguta by Cretaceous

By palmbob
Thumbnail #6 of Dryopteris arguta by palmbob

By palmbob
Thumbnail #7 of Dryopteris arguta by palmbob

Profile:

2 positives
1 neutral
No negatives

Gardeners' Notes:

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

A California native fern which has thrived here in zone 9b. Ours is planted in very acidic topsoil, which has local clay soil beneath (not well drained).

Unfortunately, this species is known to be associated with Phytophthora ramorum, a plant pathogen which causes Sudden Oak Death (SOD). For this reason Dryopteris arguta is not commonly cultivated and is very hard to find in nurseries.

Because of the pathogen association, it would be extremely unwise to take a plant from the wild.

See the USDA APHIS page for more information:

[HYPERLINK@www.aphis.usda.gov]

Positive petevllx On Sep 16, 2004, petevllx from Oakland, CA wrote:

this fern is common in woods around the san francisco bay area. it is easy to grow from root divisions - although it might disappear on you for the first 6-8 months and then come back. it's a pretty evergreen fern, very suitable for woodland gardens. although it is very drought resistant, it does much better if it is in soaking wet clay all winter. you can easily tell it apart from other native ferns by the veined pattern in the leaves.

Neutral smiln32 On Sep 15, 2004, smiln32 from Oklahoma City, OK (Zone 7a) wrote:

This plant is a U.S. native and grows along the West Coast.

Regional...

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

El Cerrito, California
Oakland, California



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