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Talus Slope Penstemon (Penstemon digitalis)

  • Talus Slope Penstemon (Penstemon Digitalis) http://www.sagebud.com/talus-slope-penstemon-penstemon-digitalis/
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0-migrated GFDL
  • Talus Slope Penstemon (Penstemon Digitalis) http://www.sagebud.com/talus-slope-penstemon-penstemon-digitalis/
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0-migrated GFDL
  • Talus Slope Penstemon (Penstemon Digitalis) http://www.sagebud.com/talus-slope-penstemon-penstemon-digitalis/
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0-migrated GFDL
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Penstemon Digitalis, or more commonly know as Talus Slope Penstemon, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with red foliage and purple flowers of the genus Penstemon. It has a moderate growth rate and a height of 4 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 spring and is tolerant of shade. Penstemon Digitalis or Talus Slope Penstemon's floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, Connecticut, Delaware, Georgia, Iowa, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, Nebraska, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia, Vermont and Wisconsin.

  • Category: Dicot
  • Genus: Penstemon
  • Family: Scrophulariaceae
  • Order: Scrophulariales
  • Class: Magnoliopsida
  • Division: Magnoliophyta
  • Duration: Perennial
  • Growth Habit: Forb/herb
  • Native Status: L48 (N) CAN (I)
  • State T/E Status: RI (SC)
  • State T/E Common Name: RI (tall white beard-tongue)
  • National Wetland Indicator Status: FAC- FACW-
  • Regional Wetland Indicator Status: 1(FAC) 2(FAC) 3(FAC-) 4(FAC) 5(FAC-) 6(FACW-)
  • Active Growth Period: Spring and Summer
  • After Harvest Regrowth Rate: Slow
  • Allelopath: No
  • Bloat: None
  • C:N Ratio: High
  • Coppice Potential: No
  • Fall Conspicuous: No
  • Fire Resistance: No
  • Flower Color: Purple
  • Flower Conspicuous: Yes
  • Foliage Color: Red
  • Foliage Porosity Summer: Porous
  • Foliage Porosity Winter: Porous
  • Foliage Texture: Fine
  • Fruit/Seed Color: Brown
  • Fruit/Seed Conspicuous: No
  • Growth Form: Rhizomatous
  • Growth Rate: Moderate
  • Height Mature (feet): 4
  • Leaf Retention: No
  • Lifespan: Moderate
  • Low Growing Grass: No
  • Resprout Ability: No
  • 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: Low
  • CaCO3 Tolerance: Low
  • Cold Stratification Required: No
  • Drought Tolerance: High
  • Fertility Requirement: Medium
  • Fire Tolerance: Medium
  • Frost Free Days Minimum: 110
  • Hedge Tolerance: None
  • Moisture Use: Low
  • pH (Minimum): 5.5
  • pH (Maximum): 7
  • Planting Density per Acre Minimum: 2700
  • Planting Density per Acre Maximum: 4800
  • Precipitation (Minimum): 30
  • Precipitation (Maximum): 55
  • Root Depth Minimum (inches): 8
  • Salinity Tolerance: Medium
  • Shade Tolerance: Tolerant
  • Temperature Minimum (°F): -38
  • Bloom Period: Late Spring
  • Commercial Availability: Routinely Available
  • Fruit/Seed Abundance: Medium
  • Fruit/Seed Period Begin: Summer
  • Fruit/Seed Period End: Summer
  • 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: Yes
  • Propagated by Tubers: No
  • Seed per Pound: 400000
  • Seed Spread Rate: Slow
  • Seedling Vigor: Medium
  • Small Grain: No
  • Vegetative Spread Rate: Moderate


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