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Rock Candy®

Penstemon barbatus 'Rock Candy Blue' ('Available Summer 2026')

Penstemon

Novapenblu PP27786

Penstemon Rock Candy® 'Blue' - Penstemon from Moose Crossing Garden Center

  • Bell shaped, lavender-blue flowers with white throats
  • Compact, upright habit
  • Medium green foliage
  • Floriferous; lots of late spring color
Border or Bed
Border or Bed
Cut Flower/ Foliage
Cut Flower/ Foliage
Drought Tolerant
Drought Tolerant
Garden
Garden
Heat Tolerant
Heat Tolerant
Mass Planting
Mass Planting
Native
Native



Homeowner Growing and Maintenance Tips:

Prefers very well-drained soil and full sun to light shade Low maintenance plant Prune off spent flowers Drought tolerant once established


Height: 10-12 in
Spread: 12 in
Spacing: 6-12 in
Price Level 1: $7.99 ea.~#1
Bloom Color: Blue, Lavender, White
Zone: 5-8
Price Level 2: 5 for $35~#1
 

Additional Characteristics & Attributes:


Attributes:

  • Garden
  • Border or Bed
  • Summer Bloomer
  • Salt Tolerant
  • Mass Planting
  • Cut Flower/ Foliage
  • Heat Tolerant
  • Native
  • Specimen
  • Edging
  • Drought Tolerant
  • Rock Garden

Critter Resistance:

  • Deer Resistant
  • Rabbit Resistant

Exposure:

  • Full Sun

Habit:

  • Upright

Foliage Color:

  • Green

Season of Interest (Flowering):

  • Spring
  • Summer

Attracts Wildlife:

  • Attracts Pollinators
  • Attracts Butterflies
  • Attracts Hummingbirds

Soil Moisture:

  • Average Water
  • Dry Soil


Genus Overview: Penstemon

Common Name: Beardtongue

Clump-forming perennial with elliptic basal leaves and lance-shaped leaves on the stems. Panicles of tubular flowers in a variety of colors including, white, pink, purple and blue. Blooms mid-spring through summer. Great for borders, wild gardens and naturalized areas. Penstemon digitalis and barbatus are native.