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Wasowski, Sally and Andy
Dryopteris carthusiana (Vill.) H.P. Fuchs
Shield fern, Spinulose wood fern, Spinulose woodfern, Toothed wood fern
Synonyms: Dryopteris spinulosa, Dryopteris austriaca var. spinulosa
USDA Symbol: DRCA11
USDA Native Status: Native to U.S.
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.
AL , AR , CT , DC , DE , IA , ID , IL , IN , KY , MA , MD , ME , MI , MN , MO , MT , NC , ND , NE , NH , NJ , NY , OH , OR , PA , RI , SC , SD , TN , VA , VT , WA , WI , WV Canada: NL
, PE Native Distribution:
Lab. to AK, s. to SC, AR, ID & n.w. CA Native Habitat:
Swamps; wet woods; rocky slopes USDA Native Status: L48(N), CAN(N),
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...
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Record Modified: 2008-06-01
Research By: TWC Staff