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Marginal Wood Fern

Dryopteris marginalis

Also listed as Aspidium marginale, Aspidium marginatum

Also known as Marginal Fern, Marginal Shield Fern, Leather Wood Fern

herbaceousβ›… part shadeπŸ’§πŸ’§ moderate water❄ Hardy: Zone 4a – Zone 8b

Climate Match for your location

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Marginal wood fern is a native deciduous to semi-evergreen fern with dark green, leathery fronds that form attractive mounding clumps. It thrives in shaded woodland gardens and prefers consistently moist soil with organic matter.

Why grow it

Marginal wood fern offers reliable performance in deep shade where many ferns struggle, and its semi-evergreen habit provides winter interest in temperate woodlands. Compared to ostrich fern or lady fern, it tolerates drier conditions once established, making it useful for sites with inconsistent moisture. The leathery fronds are notably pest and disease resistant, reducing management needs in naturalized plantings.

Watch out for

This fern spreads slowly by rhizomes and may take several seasons to fill a space, so initial spacing should account for mature size. In hot climates or very dry microclimates, even established plants benefit from supplemental water during extended dry periods. Dense planting or poor air circulation can occasionally encourage fungal issues, though this is uncommon with proper site selection.

Overview

Form
Mounding
Growth Rate
slow
Size
1.5–2.5β€² tall Γ— 1.5–2.5β€² wide
Dormancy
semi-evergreen
Family
Dryopteridaceae
Erosion controlWildlife habitat & food

Native to the United States

Native Range

Eastern North America

Native to: Alabama, Arkansas, Connecticut, District of Columbia, Delaware, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Virginia, Vermont, Wisconsin, West Virginia

Seasonality

Season of Interest

SpringSummerFall

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Companion Planting

Plants well with