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Northern Lady Fern

Athyrium angustum

Also listed as Aspidium angustum, Asplenium elatius

Also known as Northeastern Lady Fern, Subarctic Lady Fern

herbaceousβ›… part shadeπŸ’§πŸ’§πŸ’§ high water❄ Hardy: Zone 3a – Zone 8b

Climate Match for your location

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A delicate deciduous fern with finely-textured, narrowly-lanceolate fronds that add elegant texture to shaded woodland gardens. It thrives in consistently moist soil and prefers cool, humid conditions.

Why grow it

Northern lady fern occupies a middle ground among deciduous woodland ferns, offering finer frond texture than ostrich fern while tolerating slightly drier conditions than some Athyrium species. Its narrow, delicate fronds provide visual contrast to coarse-textured shade plants without the aggressive spreading of some hardy ferns, making it useful for layered woodland understory plantings where seasonal die-back is acceptable.

Watch out for

This fern requires consistent moisture during the growing season; extended dry periods will stress the plant even in shade. In warmer regions or areas with dry summers, afternoon misting or extra mulch helps maintain the cool, humid microclimate it prefers.

Overview

Form
Upright
Growth Rate
moderate
Size
1.5–2.5β€² tall Γ— 1–1.5β€² wide
Dormancy
deciduous
Family
Athyriaceae
Erosion control

Native to the United States

Native Range

North America

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

Seasonality

Season of Interest

SpringSummer

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Companion Planting

Plants well with