Dryopteris Species, Crown Wood-Fern, Thick-Stemmed Wood Fern

Dryopteriscrassirhizoma

Genus
Dryopteris (dry-OP-ter-iss)
Species
crassirhizoma (kras-ih-ry-ZO-muh)
Synonym
Dryopteris buschiana
Dryopteris crassirhizoma var. maackii
Sun Exposure
Partial to Full Shade
Foliage
Grown for foliage
Evergreen
Height
24-36 in. (60-90 cm)
Spacing
24-36 in. (60-90 cm)
Hardiness
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)
Danger
N/A
Bloom Color
Inconspicuous/none
Bloom Time
N/A
Other Details
Category
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
Patent Information
Propagation Methods
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:

Selden, New York

Raleigh, North Carolina

Featured Videos

Gardener's Notes:

1
positive
1
neutral
0
negative
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J
Raleigh, NC (Zone 7b) | May 2010 | positive

This is a very beautiful fern, and it has done well in my Raleigh, NC, garden. It is very vase-shaped, though the semi-evergreen leaves l...Read More

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

Dryopteris crassirhizoma is native to Japan, Korea, Taiwan, China, and Siberia.

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