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Rock Polypody

Polypodium virginianum

Also listed as Polypodium vinlandicum

Also known as Rockcap Fern, American Polypody, Virginia Rock Polypody

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

Climate Match for your location

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A low-growing evergreen fern native to eastern North America that thrives on rocky slopes and woodland areas. It forms dense mats of delicate fronds and requires minimal maintenance once established.

Why grow it

Rock polypody offers reliable year-round foliage in shaded, rocky sites where many other ferns struggle to establish. Compared to other low-growing northeastern ferns, it tolerates drier conditions and poor soils typical of rocky slopes and woodland edges, making it a practical choice for difficult microclimates with minimal supplemental water or amendment once rooted.

Watch out for

Newly planted specimens may take a season or two to achieve vigorous mat formation, requiring patience before the full ground-covering effect becomes apparent. In very wet or poorly drained locations, the plant may decline, so site selection toward naturally well-drained slopes will improve long-term performance.

Overview

Form
Spreading
Growth Rate
slow
Size
0.5–1β€² tall Γ— 1–2β€² wide
Dormancy
evergreen
Family
Polypodiaceae
Erosion control

Native to the United States

Native Range

Eastern North America

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

Seasonality

Season of Interest

SpringSummerFallWinter

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Companion Planting

Plants well with