Fragile Rockbrake
Cryptogramma stelleri
Last reviewed: June 2026
Light
part shade
Water
medium
Size
4"–12" H × 4"–12" W
Bloom
N/A
Native to
CO, CT, IA, IL and 17 more states
Fragile rockbrake is a delicate native fern that forms small clumps in shaded areas. This compact fern has fine-textured fronds that die back in winter and emerge fresh each spring.
In an HOA neighborhood
Fragile Rockbrake takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Very small size may appear sparse in formal landscapes
- Completely disappears in winter leaving bare soil
- Delicate appearance may look unintentional or weedy
Wildlife value
As a fern, this plant does not support pollinators but provides shelter for small wildlife and adds to native plant diversity in shaded garden areas.
Common questions
- How much sun does Fragile Rockbrake need?
- Fragile Rockbrake grows best in part shade conditions.
- Where is Fragile Rockbrake native?
- Fragile Rockbrake (Cryptogramma stelleri) is native to CO, CT, IA, IL and 17 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Fragile Rockbrake HOA-friendly?
- Fragile Rockbrake takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
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 Fragile Rockbrake? 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