Penstemon Species, Lyall's Beard Tongue, Lyall's Penstemon, Pride of the Mountain (Penstemon lyallii)

A great species that is completely herbaceous

by Todd_Boland Feb 5, 2005 8:44 AM

Close-up; zone 3 garden specimen.

by altagardener Dec 12, 2008 4:23 AM

Jardin alpin du Lautaret. Photo courtesy of Karl Gercens. Copyright Karl Gercens. Conservatory Horticulturist at Longwood Gardens. http://www.karlgercens.com

by Kell Jul 17, 2017 12:46 PM