Dryopteris arguta (Coastal Wood Fern)
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Dryopteris arguta (Coastal Wood Fern)

Coastal Wood Fern, Coastal Woodfern, California Wood Fern


Dryopteris arguta (Coastal Wood Fern) is a vase shaped, evergreen fern with lacy, upright, dark green fronds up to 2 ft. long (60 cm). They are borne in clusters from a stout, short-creeping rhizome. The lanceolate, leathery, bipinnate fronds are divided into toothed or bristled leaflets. Dark brown to black sori (fruit dots) appear in parallel rows on the leaflet undersides on fertile fronds. Native to the west coast of North America, from British Columbia south to Baja California, Mexico and into Arizona, Coastal Wood Fern occurs naturally on shaded slopes in a variety of habitats, including oak woodlands, mixed evergreen forests, and chaparral. Dryopteris arguta can reproduce vegetatively through rhizome growth and can form large colonies. A great asset for shaded woodland gardens and slopes, it can also be used as a groundcover.

  • Grows up to 2-3 ft. tall and wide (60-90 cm).
  • A part shade to full shade lover, it is best grown in dry to moist, well-drained soils. This fern is more drought tolerant than many ferns.
  • This plant is a great choice for native gardens, naturalizing, woodland gardens, shade gardens, border planting, slope planting as a groundcover.
  • No serious pest or disease problems. Keep an eye out for thrips. Deer resistant.
  • Remove faded fronds regularly and divide plants when crowded.
  • Propagation by spores or division in spring or autumn.
  • Native to the west coast of North America.

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Requirements

Hardiness 7 – 9
Climate Zones 2, 2A, 2B, 4, 5, 6, 7, 8, 9, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Ferns
Plant Family Dryopteris - Ferns
Exposure Partial Sun, Shade
Season of Interest Spring (Early,Mid,Late)
Summer (Early,Mid,Late)
Fall
Winter
Height 2' – 3' (60cm – 90cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 24" – 36" (60cm – 90cm)
Water Needs Low, Average
Maintenance Low
Soil Type Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy, Evergreen
Native Plants United States, California, Pacific Northwest, Oregon, Washington, Southwest, Arizona
Tolerance Clay Soil, Deer
Garden Uses Banks and Slopes, Beds and Borders, Ground Covers, Patio and Containers
Garden Styles Informal and Cottage

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Brewbooks, John Rusk, , Flickr

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 7 – 9
Climate Zones 2, 2A, 2B, 4, 5, 6, 7, 8, 9, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Ferns
Plant Family Dryopteris - Ferns
Exposure Partial Sun, Shade
Season of Interest Spring (Early,Mid,Late)
Summer (Early,Mid,Late)
Fall
Winter
Height 2' – 3' (60cm – 90cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 24" – 36" (60cm – 90cm)
Water Needs Low, Average
Maintenance Low
Soil Type Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy, Evergreen
Native Plants United States, California, Pacific Northwest, Oregon, Washington, Southwest, Arizona
Tolerance Clay Soil, Deer
Garden Uses Banks and Slopes, Beds and Borders, Ground Covers, Patio and Containers
Garden Styles Informal and Cottage

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