|
Family: plantaginaceae
Common name(s): rock penstemon
Hardiness ratings: USDA zone 4 - 8~9 
General resources
Links for Penstemon rupicola
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 4-8)
- Garden.org - Community-assembled plant profile
 (5 photos)
- Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (3 photos)
- Ontario Rock Garden Society - Germination information (use search on page to find this taxon)
- Rainy Side Gardeners - Plant profile compiled by two gardeners in the Pacific Northwest. Includes propagation and pruning methods, and commentary. (zone 4-9) (1 photo)
- Turner Photographics - Profile of wildflower of the US Pacific Northwest, with botanical description, habitat and distribution, and photo gallery.
Links
|
