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Least Willow (Salix rotundifolia)

Salix Rotundifolia, or more commonly know as Least Willow, is a subshrub shrub with green foliage and purple flowers of the genus Salix. It has a moderate growth rate. Its duration is perennial which means it will grow year after year. Salix Rotundifolia or Least Willow's floral region is North America US Lower 48 and Alaska

  • Category: Dicot
  • Genus: Salix
  • Family: Salicaceae
  • Order: Salicales
  • Class: Magnoliopsida
  • Division: Magnoliophyta
  • Duration: Perennial
  • Growth Habit: Subshrub Shrub
  • Native Status: L48 (N) AK (N) CAN (N)
  • National Wetland Indicator Status: NI
  • Regional Wetland Indicator Status: 9(NI) A(NI)
  • After Harvest Regrowth Rate: None
  • Allelopath: No
  • Bloat: None
  • C:N Ratio: Low
  • Coppice Potential: No
  • Fall Conspicuous: No
  • Fire Resistance: No
  • Flower Color: Purple
  • Flower Conspicuous: No
  • Foliage Color: Green
  • Foliage Texture: Coarse
  • Fruit/Seed Conspicuous: No
  • Growth Rate: Moderate
  • Leaf Retention: No
  • Lifespan: Short
  • Low Growing Grass: No
  • Resprout Ability: No
  • Toxicity: Slight
  • Adapted to Coarse Textured Soils: No
  • Adapted to Fine Textured Soils: No
  • Adapted to Medium Textured Soils: No
  • Anaerobic Tolerance: Medium
  • Cold Stratification Required: No
  • Drought Tolerance: Low
  • Fertility Requirement: Low
  • Fire Tolerance: Medium
  • Frost Free Days Minimum: 120
  • Hedge Tolerance: Low
  • pH (Minimum): 5.5
  • pH (Maximum): 7.5
  • Planting Density per Acre Minimum: 320
  • Planting Density per Acre Maximum: 1280
  • Precipitation (Minimum): 10
  • Precipitation (Maximum): 59
  • Root Depth Minimum (inches): 12
  • Salinity Tolerance: None
  • Temperature Minimum (°F): -30
  • Bloom Period: Spring
  • Fruit/Seed Abundance: High
  • Fruit/Seed Persistence: No
  • Propagated by Bare Root: No
  • Propagated by Bulbs: No
  • Propagated by Container: No
  • Propagated by Corms: No
  • Propagated by Cuttings: Yes
  • Propagated by Seed: Yes
  • Propagated by Sod: No
  • Propagated by Sprigs: Yes
  • Propagated by Tubers: No
  • Seed Spread Rate: Rapid
  • Small Grain: No


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