General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Plant Height: 18 inches
Plant Spread: 18 inches
Flowers: Showy
Flower Color: Blue
Other: Lavender-blue, Deep blue; Blue-purple
Flower Time: Late spring or early summer
Late summer or early fall
Suitable Locations: Xeriscapic
Uses: Cut Flower
Wildlife Attractant: Bees
Miscellaneous: Patent/Plant Breeders' Rights: #23,065

Trade name information:
Series: Riding Hood
Trade Name: Delft Blue
Cultivar name: 'Riding Hood Delfts Blue'
Common names
  • Beard Tongue
  • Pride of the Mountain
  • Penstemon
  • Beardtongue
Also sold as:
  • Delfts Blue Riding Hood

Photo Gallery
Location: my garden, UT
Date: 2017-06-01
Location: Garland (Dallas), TX
Date: 2015-04-09
Not sure why growers label flowers as 'blue' when they are some v

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