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Western Swordfern (Polystichum munitum)

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Polystichum Munitum, or more commonly know as Western Swordfern, 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 Polystichum. It has a moderate growth rate and a height of 3.5 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring summer fall. Polystichum Munitum or Western Swordfern's floral region is North America US Lower 48 and Alaska, specifically in the states of Alaska, California, Idaho, Montana, Oregon, Pennsylvania, South Dakota and Washington.

  • Category: Fern
  • Genus: Polystichum
  • Family: Dryopteridaceae
  • Order: Polypodiales
  • Class: Filicopsida
  • Division: Pteridophyta
  • Duration: Perennial
  • Growth Habit: Forb/herb
  • Native Status: L48 (N) AK (N) CAN (N)
  • National Wetland Indicator Status: FACU
  • Regional Wetland Indicator Status: 9(FACU)
  • Active Growth Period: Spring Summer Fall
  • After Harvest Regrowth Rate: Slow
  • Allelopath: No
  • Bloat: None
  • C:N Ratio: High
  • Coppice Potential: No
  • Fall Conspicuous: Yes
  • Fire Resistance: No
  • Flower Color: Brown
  • Flower Conspicuous: Yes
  • Foliage Color: Dark Green
  • Foliage Porosity Summer: Dense
  • Foliage Porosity Winter: Moderate
  • Foliage Texture: Medium
  • Fruit/Seed Conspicuous: No
  • Growth Form: Rhizomatous
  • Growth Rate: Moderate
  • Height Mature (feet): 3.5
  • 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: No
  • Adapted to Medium Textured Soils: Yes
  • Anaerobic Tolerance: Low
  • CaCO3 Tolerance: Medium
  • Cold Stratification Required: No
  • Drought Tolerance: Low
  • Fertility Requirement: Medium
  • Fire Tolerance: Medium
  • Frost Free Days Minimum: 135
  • Hedge Tolerance: None
  • Moisture Use: High
  • pH (Minimum): 5.8
  • pH (Maximum): 7.5
  • Planting Density per Acre Minimum: 1700
  • Planting Density per Acre Maximum: 2700
  • Precipitation (Minimum): 16
  • Precipitation (Maximum): 55
  • Root Depth Minimum (inches): 14
  • Salinity Tolerance: None
  • Shade Tolerance: Tolerant
  • Temperature Minimum (°F): -33
  • Commercial Availability: Contracting Only
  • Fruit/Seed Abundance: None
  • Fruit/Seed Persistence: No
  • Propagated by Bare Root: No
  • Propagated by Bulbs: No
  • Propagated by Container: Yes
  • Propagated by Corms: No
  • Propagated by Cuttings: No
  • Propagated by Seed: No
  • Propagated by Sod: No
  • Propagated by Sprigs: Yes
  • Propagated by Tubers: No
  • Seed per Pound: 0
  • Seed Spread Rate: None
  • Small Grain: No
  • Vegetative Spread Rate: Moderate




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