A Terra Nova Nurseries introduction.
http://www.terranovanurseries....
I see on the Terra Nova website, that it's no longer for sale from them. (they are wholesalers). I'm disappointed to read that, since it's beautiful and another one of my favorite Agastaches.
Besides the 3 case above, there are 15 more pics in the database to view.
Giant Hyssop (Agastache 'Summer Love')