A picture of a Bladder fern

Bladder fern

Cystopteris spp.

Cystopteris dickieana by Adrian Tync (CC BY-SA 4.0)

Partial Shade
Moderate watering
Frost Hardy

8a

USDA zone

-12°C

Minimum temperature

Expected size

Height
Spread

Max

Min

0

More images of Bladder fern

Cystopteris montana (Berg-Blasenfarn) IMG 1428

Bladder fern Overview

Genus with around 26 hardy, deciduous, rhizomatous perennials commonly referred to as bladderferns or fragile ferns. Species in this genus vary in their appearance and these differences may be accentuated in extreme environmental conditions. Foliage is attractive and possesses typical pinnate fern divisions with clusters of prominent sporangia, termed sori arranged on the undersides. Characteristic to this genus is the presence of a hooded bladder-like membrane covering the sori. They readily hybridise in nature, making individual species identification complex.

How to propagate Bladder fern

Division

Division in spring, by spores in summer.

Spores

Bulbs

Bulbs when available.

Other uses of Bladder fern

Rock garden