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Osmunda claytoniana L.
USDA Symbol: OSCL2
The fronds of interrupted fern occur in groups. Once-pinnate fertile fronds, which are slightly longer, have 2-5 pair of pinnae in the center of the frond which are twice-pinnate and utilized solely for spore bearing. Sterile fronds bend outward forming a vase-shaped circle enclosing the interrupted fronds. This fern can reach a height of 6 ft.
Bloom InformationBloom Color: Brown
Bloom Time: Jun
Bloom Notes: This is a non-flowering plant that reproduces by spores which are brown.
, WV Canada: NB
, PE Native Distribution:
Nf. to Man., s. to GA
& LA Native Habitat:
Rich, wooded slopes; moist ledges
Growing ConditionsWater Use:
High Light Requirement:
Shade Soil Moisture:
Moist Soil pH:
Acidic (pH<6.8) CaCO3 Tolerance:
Low Soil Description:
Moist to dry, acid to neutral soils. Conditions Comments:
is easy to cultivate.
Propagate by spores or rhizome
division. Seed Collection:
Not Available Seed Treatment:
Not Available Commercially Avail:
Mr. Smarty Plants says
Possible ground covers under pine trees in Illinois
April 18, 2006
Have pine trees in front of house. No luck with the lawn around them....was told it's because of ground acidity. Any tips on how to get a lawn to grow there? If not, can you suggest some ground cover...
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: 2007-01-01
Research By: TWC Staff