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Native Plant of the Month: Northern Maidenhair Fern

| January 1, 2018 | 0 Comments

01 Northern_Maidenhair_Fern

  • Binomial Name: Adiantum Aleuticum
  • Soil Type: Very moist to wet
  • Sunlight: Full to part shade
  • Form/Growth: Palmate leaves
  • Plant Type: Perennial shrub
  • Foliage: Semi-evergreen
  • Flowering: No

One of the most iconic images to00 the Pacific Northwest is the lush foliage of ferns growing in the shady understory of a verdant forest. Among the most common native ferns in our region is the Northern Maidenhair. This lovely perennial shrub flourishes in wet soil without too much direct exposure to sunlight. It grows best in soil that is rich in organic material, making the clay-filled soils of the Pacific Northwest an ideal place to find it, although it also grows naturally all along the Pacific coast as well as many points east.

In structure, it is similar to most ferns; Wiry, black rachis (stems) that split into the two curved branches with palmately divided fronds. The small, filmy leaflets give this fern its elegant and delicate appearance. The fronds can reach 1’ to 2.5’.

It propagates in two ways; through the spreading of its spores, or by the division of the central clump into smaller “starts” that can be planted in late winter through early spring. In nature, Maidenhair is often found along streams and creeks in shady wooded areas. In a landscape, this fern’s color and form are great for providing a pleasing color contrast with light or dark gray rocks and hardscapes.

This Native Plant of the Month has been brought to you by the City of Beaverton’s Landscape and Urban Forestry Department along with Clean Water Services. Visit Clean Water Service’s Native Plant Finder webpage for interactive questions to help you find the right native plant to fit your needs!

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Category: Beaverton Plant of the Month, Community Stories

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