Lowland Brittle Fern
Cystopteris protrusa
Last reviewed: June 2026
Light
part shade
Water
medium
Size
6"–18" H × 6"–12" W
Bloom
N/A
Native to
AL, AR, CT, DE and 27 more states
Browse plants for this ecoregion
Lowland brittle fern is a delicate native fern with finely divided, light green fronds that emerge in spring. This compact woodland fern forms neat clumps and dies back to the ground in winter, making it ideal for shaded garden areas.
In an HOA neighborhood
Lowland Brittle Fern is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, mid zone.
- Dies back completely in winter leaving bare spots
Wildlife value
As a fern, it doesn't attract pollinators but provides shelter and habitat for small woodland creatures and insects. The foliage offers cover for ground-dwelling wildlife in shaded garden areas.
Common questions
- How much sun does Lowland Brittle Fern need?
- Lowland Brittle Fern grows best in part shade conditions.
- Where is Lowland Brittle Fern native?
- Lowland Brittle Fern (Cystopteris protrusa) is native to AL, AR, CT, DE and 27 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Lowland Brittle Fern HOA-friendly?
- Lowland Brittle Fern is generally an HOA-friendly choice in the right placement, with low maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Lowland Brittle Fern? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz