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Wasowski, Sally and Andy
Dryopteris carthusiana (Vill.) H.P. Fuchs
Shield fern, Spinulose wood fern, Spinulose woodfern, Toothed wood fern
Synonym(s): Dryopteris austriaca var. spinulosa, Dryopteris spinulosa
USDA Symbol: drca11
The 18-36 in., narrow, finely-divided, lacy fronds appear early in spring in a vase-like cluster. Sterile fronds are evergreen.
Bloom InformationBloom Color: Not Applicable
Bloom Notes: Not a flowering plant. Reproduces by spores.
, WV Canada: NL
, PE Native Distribution:
Lab. to AK,
s. to SC, AR, ID
& n.w. CA Native Habitat:
Swamps; wet woods; rocky slopes
Growing ConditionsLight Requirement:
Part Shade , Shade Soil Moisture:
Moist Soil pH:
Acidic (pH<6.8) Soil Description:
Acidic, humus-rich, moist, well-drained soil. Conditions Comments:
is relatively pest- and disease-free. The western variety is Dryopteris spinulosa var. dilatata or Dryopteris dilatata.
Propagation by division or spores. Sow spores on moist, sterile medium. Keep gametophytes in a sealed, humid container. After sporophytes develop, transplant to potting soil in a humid container until root system has developed. Seed Collection:
Collect spores when the sori become dark and the indusia open to release a fine, black powder. This may occur anytime from late spring to frost. Cut the fertile fronds and place in an envelope, storing near a light bulb
for a few days to dry out moisture. Sift out leaves and debris and store spores in a cool, dry place. Seed Treatment:
Not Available Commercially Avail:
Mr. Smarty Plants says
Evergreen plants safe for horses in Louisville, Kentucky
May 16, 2010
I have a horse farm in Louisville, Ky. I want to plant evergreen plants along the walls in front of the horse barns. What types of plants are not toxic to horses can I use? Thank you so much for all y...
view the full question and answer
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Mt. Cuba Center
- Hockessin, DE
Record Last Modified: 2008-06-01
Research By: TWC Staff