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Penstemon strictus

Family: plantaginaceae
Common name(s): Rocky Mountain penstemon
Hardiness ratings: USDA zone 3~4 - 8~9

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 strictus

• 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 3-8) (3 photos)
• Garden.org - Community-assembled plant profile (11 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. (12 photos)
• Ontario Rock Garden Society - Germination information
• Rob's Plants - Plant profile with basic horticultural information and often personal observations. Also seed germination records. (zone 4-9) (4 photos)
• Southwest Colorado Wildflowers - Photos and botanical information about the species/genus. (5 photos)

Penstemon strictus × gloxinioides

Links

• Paghat's Garden: Penstemon strictus x gloxinioides 'Midnight Blue' - Illustrated articles by a gardener in the Pacific Northwest, with background and personal observations. (2 photos)