Brittle Bladderfern
Cystopteris fragilis
Also listed as Cystea fragilis, Filicula fragilis
Also known as Fragile Fern, Brittle Fern, Common Fragile Fern
Climate Match for your location
See how well Brittle Bladderfern grows in your area.
Enter your ZIP code and we'll show you how this plant fits your local climate.
A delicate, low-growing fern with finely divided, bright green fronds that emerge in spring and fade in autumn. It thrives in cool, shaded spots with consistent moisture and is excellent for rock gardens, walls, and woodland settings.
Why grow it
Brittle bladderfern offers a fine-textured alternative to coarser woodland ferns, with particularly delicate fronds that create an airy aesthetic in shaded gardens. Its deciduous habit and compact size make it useful where seasonal variation is desired or where space is limited. The species is cold-hardy across most temperate zones and establishes readily in moist, well-draining soils typical of woodland edges and north-facing sites.
Watch out for
This fern prefers consistent moisture and struggles in dry conditions, so site placement matters more than most hardy ferns. The fronds are brittle and easily damaged by physical disturbance or strong wind, so choose protected locations away from foot traffic. Establish plants before the heat of summer if planting in spring, as young specimens benefit from moisture regularity during their first season.
Overview
- Form
- Growth Rate
- Size
- Dormancy
- Family
- Cystopteridaceae
Native to the United States
Native Range
Northern Hemisphere (North America, Europe, Asia)
Native to: Alaska, Arizona, California, Colorado, Connecticut, Iowa, Idaho, Illinois, Kansas, Massachusetts, Maine, Michigan, Minnesota, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Mexico, Nevada, New York, Ohio, Oregon, Pennsylvania, South Dakota, Texas, Utah, Virginia, Vermont, Washington, Wisconsin, Wyoming
Seasonality
Season of Interest
Herb
Soft non-woody plants of the field layer.
Succession Role
Tolerances & Soil
Establishment & Care
- Establishment
- Maintenance
- Propagation
A delicate, low-growing fern with finely divided, bright green fronds that emerge in spring and fade in autumn. It thrives in cool, shaded spots with consistent moisture and is excellent for rock gardens, walls, and woodland settings.
Climate Match for your location
See how well Brittle Bladderfern grows in your area.
Enter your ZIP code and we'll show you how this plant fits your local climate.
Why grow it
Brittle bladderfern offers a fine-textured alternative to coarser woodland ferns, with particularly delicate fronds that create an airy aesthetic in shaded gardens. Its deciduous habit and compact size make it useful where seasonal variation is desired or where space is limited. The species is cold-hardy across most temperate zones and establishes readily in moist, well-draining soils typical of woodland edges and north-facing sites.
Watch out for
This fern prefers consistent moisture and struggles in dry conditions, so site placement matters more than most hardy ferns. The fronds are brittle and easily damaged by physical disturbance or strong wind, so choose protected locations away from foot traffic. Establish plants before the heat of summer if planting in spring, as young specimens benefit from moisture regularity during their first season.
Overview
- Form
- Growth Rate
- Size
- Dormancy
- Family
- Cystopteridaceae
Native to the United States
Native Range
Northern Hemisphere (North America, Europe, Asia)
Native to: Alaska, Arizona, California, Colorado, Connecticut, Iowa, Idaho, Illinois, Kansas, Massachusetts, Maine, Michigan, Minnesota, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Mexico, Nevada, New York, Ohio, Oregon, Pennsylvania, South Dakota, Texas, Utah, Virginia, Vermont, Washington, Wisconsin, Wyoming
Seasonality
Season of Interest
Herb
Soft non-woody plants of the field layer.
Succession Role
Tolerances & Soil
Establishment & Care
- Establishment
- Maintenance
- Propagation
Similar herbs you might consider:
Enter your ZIP code to see top native species and strong climate fits for you.