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Penstemon caespitosus

Family: plantaginaceae
Common name(s): beard tongue
Hardiness ratings: USDA zone 4 - 7~9

General resources

• Wikipedia. Online encyclopedia entry (if defined).
• Google images. Web search for photographs.
• GRIN. Taxonomical details, with common names, distribution, and synonyms.
• The Plant List. Taxonomical lookup

Links for Penstemon caespitosus

• American Penstemon Society - Detailed description of the species' botanical characteristics, habitat, and native range. (1 photo)
• Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 4-9)
• Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (2 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 4-7)
• NARGS Image Gallery - Photograph(s) contributed by North American Rock Garden Society members. (4 photos)
• Ontario Rock Garden Society - Germination information

Penstemon caespitosus var. albus

Penstemon caespitosus var. caespitosus

Common name(s): Mat Penstemon

Penstemon caespitosus var. desertipicti

Links

• NARGS Image Gallery - Photograph(s) contributed by North American Rock Garden Society members. (1 photo)