Penstemon (Subscribe)
Links
Dave's Garden PlantFiles: Genus Penstemon
http://davesgarden.com/pf/b/Scrophulariaceae/Penstemon/
Index page with links to all species and varieties of penstemon listed in the PlantFiles database of member-provided plant information and photos.
Kemper: Penstemon digitalis
http://www.mobot.org/gardeninghelp/plantfinder/Plant.asp?code=G590
Plant portrait of foxglove beardtongue with cultural information, photos, and noteworthy characteristics.
Las Pilitas: California Penstemons
http://www.laspilitas.com/groups/penstemon/california_penstemon.html
Two pages with pictures, brief descriptions, and cultural requirements of penstemons native to California, for dry-area and moist-area species.
Paghat's Garden: 'Bashful' Beard-tongue
http://www.paghat.com/penstemonbashful.html
One of a series of plant portrait pages documenting penstemons in this Pacific Northwest garden. Varieties featured are 'Bashful', 'Prairie Dusk', 'Midnight Blue', 'Ruby', 'Apple Blossom', 'Sour Grapes', and 'Garnet'.
Penstemania
Based on Penstemon growing and the Western Algarve.
The Penstemon Website
http://www.biosci.ohio-state.edu/~awolfe/Penstemon/Penstemon.html
Enthusiast's collection of links, information (both for gardeners and botanists), and photographs of penstemon species and varieties.
The Penstemons: Seed Germination Methodology
http://tomclothier.hort.net/page08.html
Two pages in Tom Clothier's extensive plant germination database dedicated exclusively to penstemon species, which are often finnicky and require a wide variety of germination conditions.
