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Penstemon cobaea

Family: plantaginaceae
Common name(s): showy beard-tongue
Hardiness ratings: USDA zone 4~5 - 5~10

General resources

Links for Penstemon cobaea

  • American Penstemon Society - Detailed description of the species' botanical characteristics, habitat, and native range. (1 photo)
  • Annie's Annuals - Catalog page with photo, basic horticultural information, and noteworthy features. (zone 4-10) (2 photos)
  • Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 4b-o) (10 photos)
  • Garden.org - Community-assembled plant profile (6 photos)
  • Kansas Wildflowers & Grasses - Plant portrait with botanical details and description (10 photos)
  • Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (81 photos)
  • Missouri Botanical Garden - Plantfinder page for one of the plants growing at the garden, with usually one or more photos, horticultural information, and noteworthy characteristics. (zone 5-8) (19 photos)
  • Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status. (11 photos)
  • NARGS Image Gallery - Photograph(s) contributed by North American Rock Garden Society members. (1 photo)
  • Native Plants of Central Texas - Photos with brief comments from University of Texas at Austin. (4 photos)
  • North Carolina State University factsheet - Plant profile with horticultural details and comments (5 photos)
  • Ontario Rock Garden Society - Germination information
  • Plant Delights Nursery - Catalog page with photo, horticultural basics, and descriptive blurb. (1 photo)
  • Rob's Plants - Plant profile with basic horticultural information and often personal observations. Also seed germination records. (zone 5-9) (3 photos)

Penstemon cobaea var. cobaea

Links

  • Garden.org - Community-assembled plant profile (3 photos)

Penstemon cobaea var. purpureus

Common name(s): dew flower
Hardiness ratings: USDA zone 5 - 8

Links

  • Garden.org - Community-assembled plant profile (3 photos)
  • Missouri Botanical Garden - Plantfinder page for one of the plants growing at the garden, with usually one or more photos, horticultural information, and noteworthy characteristics. (zone 5-8) (2 photos)

Last updated:20 Dec 2023