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Interrupted Fern (Osmunda Claytoniana)

Osmunda Claytoniana, or more commonly know as Interrupted Fern, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with dark green foliage and brown flowers of the genus Osmunda. It has a moderate growth rate and a height of 4 feet at maturity. Its duration is perennial which means it will grow year after year. It’s active growth period is spring summer fall, blooms during mid summer and is tolerant of shade. Osmunda Claytoniana or Interrupted Fern‘s floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, Connecticut, Delaware, Georgia, Iowa, Illinois, Indiana, Kentucky, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee, Virginia, Vermont and Wisconsin.

       

Interrupted Fern (Osmunda Claytoniana)
Credit: Jaknouse | Own work | License: CC-BY-SA-3.0-migrated GFDL
  • Interrupted Fern (Osmunda Claytoniana)
  • Interrupted Fern (Osmunda Claytoniana)
  • Interrupted Fern (Osmunda Claytoniana)
  • Interrupted Fern (Osmunda Claytoniana)
  • Interrupted Fern (Osmunda Claytoniana)

Interrupted Fern (Osmunda Claytoniana) Information

  • Category: Fern
  • Genus: Osmunda
  • Family: Osmundaceae
  • Order: Polypodiales
  • Class: Filicopsida
  • Division: Pteridophyta
  • Duration: Perennial
  • Growth Habit: Forb/herb
  • Native Status: L48 (N) CAN (N) SPM (N)
  • State T/E Status: AR (T) NY (EV)
  • State T/E Common Name: AR (interrupted fern) NY (interrupted fern)
  • National Wetland Indicator Status: FAC FAC+
  • Regional Wetland Indicator Status: 1(FAC) 2(FAC) 3(FAC+)
  • Active Growth Period: Spring Summer Fall
  • After Harvest Regrowth Rate: None
  • Allelopath: No
  • Bloat: None
  • C:N Ratio: High
  • Coppice Potential: No
  • Fall Conspicuous: Yes
  • Fire Resistance: No
  • Flower Color: Brown
  • Flower Conspicuous: No
  • Foliage Color: Dark Green
  • Foliage Porosity Summer: Dense
  • Foliage Porosity Winter: Porous
  • Foliage Texture: Medium
  • Fruit/Seed Color: Brown
  • Fruit/Seed Conspicuous: No
  • Growth Form: Rhizomatous
  • Growth Rate: Moderate
  • Height Mature (feet): 4
  • Leaf Retention: No
  • Lifespan: Long
  • Low Growing Grass: No
  • Resprout Ability: No
  • Shape and Orientation: Semi-Erect
  • Toxicity: None
  • Adapted to Coarse Textured Soils: No
  • Adapted to Fine Textured Soils: Yes
  • Adapted to Medium Textured Soils: Yes
  • Anaerobic Tolerance: Medium
  • CaCO3 Tolerance: Low
  • Cold Stratification Required: No
  • Drought Tolerance: Low
  • Fertility Requirement: High
  • Fire Tolerance: Low
  • Frost Free Days Minimum: 110
  • Hedge Tolerance: Low
  • Moisture Use: High
  • pH (Minimum): 4
  • pH (Maximum): 6
  • Planting Density per Acre Minimum: 1200
  • Planting Density per Acre Maximum: 2700
  • Precipitation (Minimum): 32
  • Precipitation (Maximum): 55
  • Root Depth Minimum (inches): 12
  • Salinity Tolerance: None
  • Shade Tolerance: Tolerant
  • Temperature Minimum (°F): -38
  • Bloom Period: Mid Summer
  • Commercial Availability: Routinely Available
  • Fruit/Seed Abundance: High
  • Fruit/Seed Period Begin: Summer
  • Fruit/Seed Period End: Summer
  • Fruit/Seed Persistence: No
  • Propagated by Bare Root: No
  • Propagated by Bulbs: No
  • Propagated by Container: Yes
  • Propagated by Corms: No
  • Propagated by Cuttings: Yes
  • Propagated by Seed: No
  • Propagated by Sod: No
  • Propagated by Sprigs: Yes
  • Propagated by Tubers: No
  • Seed Spread Rate: Slow
  • Seedling Vigor: Medium
  • Small Grain: No
  • Vegetative Spread Rate: Rapid

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