Foxglove Beardtongue

Foxglove Beardtongue

Penstemon digitalis 

Plant Characteristics:

  • Duration: Perennial
  • Habit: Herbal
  • Root type:  Tap
  • Size class: 3-6 ft. 
  • Fruit: Tan 
  • Native Habitat: Low, moist areas; prairies; open woodlands
  • Bloom time: May-July

Growing Conditions 

  • Light:
    • Sun, partial shade 
  • Water:
    • Low, medium, high
  • Soil
    • Moisture: Dry, moist, wet 
    • Soil pH: Acidic (pH <6.8) 
    • CaCO3 Tolerance: Low 
    • Description: Fertile, well-drained loams, clay loams, and sand 
      • Acid preferably but tolerates lime 
  • Condition comments: Will tolerate dry shade 


  • Use as ornamental: a great bloomer for clay loams in areas with poor drainage
  • Attracts hummingbirds and Bumblebees 
  • Nectar source 
  • Specific value to native bees and bumblebees