Family: Dryopteridaceae
Genus: Cystopteris (sis-TOP-ter-is) (Info)
Species: protrusa (pro-TROO-suh) (Info)
 One vendor has this plant for sale.
Category:
Ferns
Height:
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)
Sun Exposure:
Partial to Full Shade
Danger:
Unknown - Tell us
Bloom Color:
Inconspicuous/none
Bloom Time:
N/A
Foliage:
Grown for foliage
Other details:
Average Water Needs; Water regularly; do not overwater
Soil pH requirements:
Unknown - Tell us
Patent Information:
Unknown - Tell us
Propagation Methods:
Unknown - Tell us
Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
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