Cystopteris Species, Brittle Bladder Fern, Brittle Fern, Fragile Fern

Cystopterisfragilis

Genus
Cystopteris (sis-TOP-ter-is)
Species
fragilis (FRAJ-ih-liss)
Synonym
Sun Exposure
Partial to Full Shade
Foliage
Grown for foliage
Deciduous
Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 2a: to -45.5 °C (-50 °F)
USDA Zone 2b: to -42.7 °C (-45 °F)
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
N/A
Bloom Color
Inconspicuous/none
Bloom Time
N/A
Other Details
Category
Alpines and Rock Gardens
Ferns
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From spores
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Chesterland, Ohio

Featured Videos

Gardener's Notes:

0
positive
2
neutrals
0
negative
Sort By:
Sort By:
X
Phoenix, AZ (Zone 9b) | August 2009 | neutral

This fan-shaped bright green to dark green fern has a very brittle stalk & very variable toothing. It get about 10" tall and 3" inches wi...Read More

C
El Sobrante, CA (Zone 9b) | March 2007 | neutral

This fern is native to the western-half of the USA (including Alaska and Hawaii) as well as some north-eastern states, Canada, Costa Rica...Read More

Featured
Plumbago or Zebra Blue
(Leptotes plinius)
Little Corella
(Cacatua sanguinea)
Featured
Plumbago or Zebra Blue
(Leptotes plinius)
Little Corella
(Cacatua sanguinea)