The 18-36 in., narrow, finely-divided, lacy fronds appear early in spring in a vase-like cluster. Sterile fronds are evergreen.
Distribution
USA: AL , AR , CT , DE , ID , IL , IN , IA , KY , ME , MD , MA , MI , MN , MO , MT , NE , NH , NJ , NY , NC , ND , OH , OR , PA , RI , SC , SD , TN , VT , VA , WA , WV , WI , DC
Canada: NL ,
NS ,
ON ,
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), SPM(N)
Growing Conditions
Light Requirement: Part Shade , Shade
Soil Moisture: Moist
Soil pH: Acidic (pH<6.8)
Soil Description: Acidic, humus-rich, moist, well-drained soil.
Conditions Comments: This
fern is relatively pest- and disease-free. The western variety is Dryopteris spinulosa var. dilatata or Dryopteris dilatata.