Cultivated, garden flowers.
Seen during my visit in Sept, 2014.
Missed these earlier.
Looks like Penstemon.
Penstemon sp.
May be P. heterophyllus
Penstemon heterophyllus looks different as per
Could it be Penstemon ‘Midnight’?
Penstemon x gloxinioides ‘Midnight’?
Here is the link