Gymnocarpium Species, Oak Fern, Western Oak Fern, Western Oakfern

Gymnocarpiumbrittonianum

Genus
Gymnocarpium (jim-no-KAR-pee-um)
Species
brittonianum (brit-toh-nee-AY-num)
Synonym
Gymnocarpium dryopteris
Sun Exposure
Partial to Full Shade
Foliage
Grown for foliage
Deciduous
Height
6-12 in. (15-30 cm)
Hardiness
USDA Zone 2a: to -45.5 °C (-50 °F)
USDA Zone 2b: to -42.7 °C (-45 °F)
USDA Zone 3a: to -39.9 °C (-40 °F)
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)
Bloom Color
Inconspicuous/none
Bloom Time
N/A
Other Details
Category
Perennials
Ferns
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Minneapolis, Minnesota

Saint Paul, Minnesota

Bellingham, Washington

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Gardener's Notes:

1
positive
1
neutral
0
negative
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M
Coon Rapids, MN (Zone 4a) | December 2008 | positive

I collected this plant from a location which is sloped and more exposured where it carpets the ground uniformly without any competiton fr...Read More

C
El Sobrante, CA (Zone 9b) | March 2007 | neutral

This fern is native to Canada, the United States (Alaska, Connecticut, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New Yor...Read More

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