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Maidenhair Spleenwort

Asplenium trichomanes

Also listed as Asplenium saxatile, Athyrium trichomanes

herbaceous⛅ part shade💧💧 moderate water❄ Hardy: Zone 3a – Zone 9b

Climate Match for your location

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A delicate evergreen fern with wiry black stems and tiny, feathery green fronds that forms low spreading mats. Thrives in shaded, cool locations with adequate moisture and rocky soil.

Why grow it

Maidenhair spleenwort is a compact evergreen fern suitable for shaded rock gardens, stone walls, and woodland edges where many other ferns struggle. It occupies less vertical space than larger ferns while providing year-round textural interest, making it useful for edging or filling narrow crevices in permaculture systems with limited light.

Watch out for

This species prefers consistent moisture and resents drying out between waterings, so it may need supplemental water during extended dry periods even in shade. Performance declines in warm climates or hot microclimates, and it may struggle in heavy clay soils without amendment to improve drainage and aeration.

Overview

Form
Spreading
Growth Rate
slow
Size
0.5–1′ tall × 0.5–1.5′ wide
Dormancy
evergreen
Family
Aspleniaceae
MedicinalErosion controlWildlife habitat & food

Native to the United States

Native Range

Temperate worldwide

Native to: Alaska, Alabama, Arkansas, Arizona, California, Colorado, Connecticut, District of Columbia, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin, West Virginia, Wyoming

Seasonality

Season of Interest

SpringSummerFallWinter

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Companion Planting

Plants well with