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Penstemon fruticosus

Family: plantaginaceae
Common name(s): Shrubby Penstemon
Hardiness ratings: USDA zone 4b

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 fruticosus

• 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 4b) (5 photos)
• Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (8 photos)
• NARGS Image Gallery - Photograph(s) contributed by North American Rock Garden Society members. (1 photo)
• Ontario Rock Garden Society - Germination information (additional information for other varieties). Also a page for another instance.
• Turner Photographics - Profile of wildflower of the US Pacific Northwest, with botanical description, habitat and distribution, and photo gallery.

Penstemon fruticosus var. fruticosus

Links

• Wild Ginger Farm: Penstemon fruticosus var fruticosus 'Cloudcap' - One of the plants featured on this specialty nursery's catalog page, with photo and brief description. (1 photo)

Penstemon fruticosus var. scouleri

Links

• Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 4b) (5 photos)
• NARGS Image Gallery - Photograph(s) contributed by North American Rock Garden Society members. (1 photo)
• Ontario Rock Garden Society - Germination information
• Wild Ginger Farm: Penstemon fruticosus var scouleri f albus - One of the plants featured on this specialty nursery's catalog page, with photo and brief description. (1 photo)

Penstemon fruticosus var. serratus

Links

• Ontario Rock Garden Society - Germination information (additional information for other varieties). Also a page for another instance.
• Wild Ginger Farm: Penstemon fruticosus serratus - Blue Mountains - One of the plants featured on this specialty nursery's catalog page, with photo and brief description. (1 photo)