Hardy in zone 3, Alberta, Canada; has proved to be a good alpine trough subject.
by altagardener Nov 9, 2008 1:31 AM
UBC Botanical Garden - Vancouver, B.C. Canada
by growin May 14, 2008 11:47 AM
Chelan Penstemon in Washington, USA, May 1998
by kennedyh Jun 3, 2006 10:33 PM
Chelan Penstemon in British Columbia, Canada, June 1998
by kennedyh May 30, 2006 11:35 PM
