Grow Your Garden


Slippery Elm (Ulmus rubra)

  • Slippery Elm (Ulmus Rubra) http://www.sagebud.com/slippery-elm-ulmus-rubra
    Credit: Melburnian | Digital photograph by author | License:
  • Slippery Elm (Ulmus Rubra) http://www.sagebud.com/slippery-elm-ulmus-rubra
    Credit: Melburnian | Digital photograph by author | License:
  • Slippery Elm (Ulmus Rubra) http://www.sagebud.com/slippery-elm-ulmus-rubra
    Credit: Melburnian | Digital photograph by author | License: PD USDA
  • Slippery Elm (Ulmus Rubra) http://www.sagebud.com/slippery-elm-ulmus-rubra
    Credit: Melburnian | Digital photograph by author | License: CC-BY-SA-3.0-migrated GFDL
  • Slippery Elm (Ulmus Rubra) http://www.sagebud.com/slippery-elm-ulmus-rubra
    Credit: Melburnian | Digital photograph by author | License:
  • Slippery Elm (Ulmus Rubra) http://www.sagebud.com/slippery-elm-ulmus-rubra
    Credit: Melburnian | Digital photograph by author | License:
  • Slippery Elm (Ulmus Rubra) http://www.sagebud.com/slippery-elm-ulmus-rubra
    Credit: Cephas | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL
  • Slippery Elm (Ulmus Rubra) http://www.sagebud.com/slippery-elm-ulmus-rubra
    Credit: Cephas | Own work | License:
  • Slippery Elm (Ulmus Rubra) http://www.sagebud.com/slippery-elm-ulmus-rubra
    Credit: Cephas | Own work | License:
  • Slippery Elm (Ulmus Rubra) http://www.sagebud.com/slippery-elm-ulmus-rubra
    Credit: Cephas | Own work | License:
ULRU.jpg

Ulmus Rubra, or more commonly know as Slippery Elm, is a tree with green foliage and yellow flowers of the genus Ulmus. It has a rapid growth rate and a height of 85 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring and summer, blooms during late winter and is tolerant of shade. Ulmus Rubra or Slippery Elm's floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, Georgia, Illinois, Kentucky, Mississippi, Oklahoma and Tennessee.

  • Category: Dicot
  • Genus: Ulmus
  • Family: Ulmaceae
  • Order: Urticales
  • Class: Magnoliopsida
  • Division: Magnoliophyta
  • Duration: Perennial
  • Growth Habit: Tree
  • Native Status: L48 (N) CAN (N)
  • State T/E Status: ME (PX) RI (SC)
  • State T/E Common Name: ME (slippery elm) RI (slippery elm)
  • National Wetland Indicator Status: FAC
  • Regional Wetland Indicator Status: 1(FAC) 2(FAC) 3(FAC) 4(FAC) 5(FAC) 6(FAC)
  • Active Growth Period: Spring and Summer
  • Allelopath: No
  • Bloat: None
  • C:N Ratio: High
  • Coppice Potential: No
  • Fall Conspicuous: No
  • Fire Resistance: No
  • Flower Color: Yellow
  • Flower Conspicuous: No
  • Foliage Color: Green
  • Foliage Porosity Summer: Moderate
  • Foliage Porosity Winter: Porous
  • Foliage Texture: Coarse
  • Fruit/Seed Color: Brown
  • Fruit/Seed Conspicuous: No
  • Growth Form: Single Stem
  • Growth Rate: Rapid
  • Height at 20 Years Maximum (feet): 45
  • Height Mature (feet): 85
  • Leaf Retention: No
  • Lifespan: Moderate
  • Low Growing Grass: No
  • Resprout Ability: Yes
  • Shape and Orientation: Erect
  • Toxicity: None
  • Adapted to Coarse Textured Soils: Yes
  • Adapted to Fine Textured Soils: Yes
  • Adapted to Medium Textured Soils: Yes
  • Anaerobic Tolerance: None
  • CaCO3 Tolerance: Low
  • Cold Stratification Required: Yes
  • Drought Tolerance: Medium
  • Fertility Requirement: Medium
  • Frost Free Days Minimum: 110
  • Hedge Tolerance: None
  • Moisture Use: High
  • pH (Minimum): 5.5
  • pH (Maximum): 7
  • Planting Density per Acre Minimum: 300
  • Planting Density per Acre Maximum: 800
  • Precipitation (Minimum): 25
  • Precipitation (Maximum): 65
  • Root Depth Minimum (inches): 40
  • Salinity Tolerance: None
  • Shade Tolerance: Tolerant
  • Temperature Minimum (°F): -43
  • Bloom Period: Late Winter
  • Commercial Availability: Routinely Available
  • Fruit/Seed Abundance: High
  • Fruit/Seed Period Begin: Spring
  • Fruit/Seed Period End: Spring
  • Fruit/Seed Persistence: No
  • Propagated by Bare Root: Yes
  • 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: 41000
  • Seed Spread Rate: Moderate
  • Seedling Vigor: High
  • Small Grain: No
  • Vegetative Spread Rate: None




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