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Penstemon whippleanus

Family: plantaginaceae
Common name(s): Whipple's penstemon
Hardiness ratings: USDA zone 4 - 8

General resources

• Wikipedia. Online encyclopedia entry (if defined).
• Google images. Web search for photographs.
• The Plant List. Taxonomical lookup
• Catalogue of Life. Taxonomical lookup

Links for Penstemon whippleanus

• All Things Plants - Community-assembled plant profile (2 varieties in database) (4 photos)
• 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 4-8) (2 photos)
• Iris' Garden - Gardener in the Netherlands presents a photo of this plant, with basic horticultural information. (1 photo)
• Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (9 photos)
• NARGS Image Gallery - Photograph(s) contributed by North American Rock Garden Society members. (3 photos)
• Ontario Rock Garden Society - Germination information
• Rob's Plants - Plant profile with basic horticultural information and often personal observations. Also seed germination records. (1 photo)
• Southwest Colorado Wildflowers - Photos and botanical information about the species/genus. (9 photos)
• Wild Ginger Farm: Penstemon whippleanus - Dark Flower - One of the plants featured on this specialty nursery's catalog page, with photo and brief description. (1 photo)