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Broadleaf Signalgrass (Urochloa platyphylla)

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Urochloa Platyphylla, or more commonly know as Broadleaf Signalgrass, is a graminoid with green foliage and green flowers of the genus Urochloa. It has a moderate growth rate and a height of 3 feet at maturity. Its duration is annual which means it grows for one season only. It's active growth period is spring, blooms during indeterminate, is intolerant of shade and is routinely available commercially. Urochloa Platyphylla or Broadleaf Signalgrass's floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, Arizona, Florida, Georgia, Illinois, Kentucky, Louisiana, Maryland, Missouri, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas and Virginia.

  • Category: Monocot
  • Genus: Urochloa
  • Family: Poaceae
  • Order: Cyperales
  • Class: Liliopsida
  • Division: Magnoliophyta
  • Duration: Annual
  • Growth Habit: Graminoid
  • Native Status: L48 (N)
  • Active Growth Period: Spring
  • After Harvest Regrowth Rate: Slow
  • Allelopath: No
  • Bloat: None
  • C:N Ratio: Medium
  • Coppice Potential: No
  • Fall Conspicuous: No
  • Fire Resistance: No
  • Flower Color: Green
  • Flower Conspicuous: No
  • Foliage Color: Green
  • Foliage Porosity Summer: Moderate
  • Foliage Porosity Winter: Porous
  • Foliage Texture: Fine
  • Fruit/Seed Color: Yellow
  • Fruit/Seed Conspicuous: No
  • Growth Form: Bunch
  • Growth Rate: Moderate
  • Height Mature (feet): 3
  • Leaf Retention: No
  • Lifespan: Short
  • Low Growing Grass: No
  • Resprout Ability: No
  • Shape and Orientation: 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: Low
  • Fertility Requirement: Medium
  • Fire Tolerance: Low
  • Frost Free Days Minimum: 180
  • Hedge Tolerance: None
  • Moisture Use: Medium
  • pH (Minimum): 5
  • pH (Maximum): 7
  • Precipitation (Minimum): 40
  • Precipitation (Maximum): 60
  • Root Depth Minimum (inches): 16
  • Salinity Tolerance: Low
  • Shade Tolerance: Intolerant
  • Temperature Minimum (°F): 17
  • Bloom Period: Indeterminate
  • Commercial Availability: No Known Source
  • Fruit/Seed Abundance: High
  • 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: No
  • 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: 350000
  • Seed Spread Rate: Rapid
  • Seedling Vigor: Medium
  • Small Grain: No
  • Vegetative Spread Rate: None




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