The flowers of P. angustifolius are usually a clear sky blue color, but sometimes they have a lavender tint like these.
by KSBaptisia May 12, 2010 10:48 PM
Narrowleaf Penstemon in xeriscape garden. No irrigation after established precipitation less than 8 inches). Northwest NM. May 28.
by xeriman Mar 5, 2015 4:54 PM
