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Marsh Grass Of Parnassus (Parnassia palustris)

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Parnassia Palustris, or more commonly know as Marsh Grass Of Parnassus, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage and white flowers of the genus Parnassia. It has a moderate growth rate and a height of 2.2 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is summer, blooms during mid summer, is intolerant of shade and is routinely available commercially. Parnassia Palustris or Marsh Grass Of Parnassus's floral region is North America US Lower 48 and Alaska, specifically in the states of Alaska, Arizona, California, Colorado, Idaho, Michigan, Minnesota, Montana, North Dakota, New Mexico, Nevada, Oregon, South Dakota, Utah, Washington, Wisconsin and Wyoming.

  • Category: Dicot
  • Genus: Parnassia
  • Family: Saxifragaceae
  • Order: Rosales
  • Class: Magnoliopsida
  • Division: Magnoliophyta
  • Duration: Perennial
  • Growth Habit: Forb/herb
  • Native Status: L48 (N) AK (N) CAN (N)
  • State T/E Status: MI (T) WI (T)
  • State T/E Common Name: MI (marsh grass-of-Parnassus) WI (marsh grass-of-Parnassus)
  • National Wetland Indicator Status: FACW OBL
  • Regional Wetland Indicator Status: 1(NI) 3(OBL) 4(OBL) 8(OBL) 9(OBL) 0(OBL) A(FACW)
  • Active Growth Period: Summer
  • After Harvest Regrowth Rate: Slow
  • Allelopath: No
  • Bloat: None
  • C:N Ratio: Medium
  • Coppice Potential: No
  • Fall Conspicuous: No
  • Fire Resistance: No
  • Flower Color: White
  • Flower Conspicuous: Yes
  • Foliage Color: Green
  • Foliage Porosity Summer: Porous
  • Foliage Porosity Winter: Porous
  • Foliage Texture: Coarse
  • Fruit/Seed Color: Brown
  • Fruit/Seed Conspicuous: No
  • Growth Form: Stoloniferous
  • Growth Rate: Moderate
  • Height Mature (feet): 2.2
  • 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: High
  • CaCO3 Tolerance: Medium
  • Cold Stratification Required: No
  • Drought Tolerance: None
  • Fertility Requirement: Medium
  • Fire Tolerance: Medium
  • Frost Free Days Minimum: 140
  • Hedge Tolerance: None
  • Moisture Use: High
  • pH (Minimum): 6
  • pH (Maximum): 8
  • Planting Density per Acre Minimum: 2700
  • Planting Density per Acre Maximum: 4800
  • Precipitation (Minimum): 10
  • Precipitation (Maximum): 32
  • Root Depth Minimum (inches): 8
  • Salinity Tolerance: None
  • Shade Tolerance: Intolerant
  • Temperature Minimum (°F): -38
  • Bloom Period: Mid Summer
  • Commercial Availability: No Known Source
  • Fruit/Seed Abundance: Low
  • Fruit/Seed Period Begin: Summer
  • Fruit/Seed Period End: Fall
  • 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: Yes
  • Propagated by Sod: No
  • Propagated by Sprigs: No
  • Propagated by Tubers: No
  • Seed per Pound: 700000
  • Seed Spread Rate: Slow
  • Seedling Vigor: Low
  • Small Grain: No
  • Vegetative Spread Rate: Slow




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