Last updated on May 18th, 2023 at 04:56 pm A Perennial for Southwestern landscapes. The Hyssop Flower (Agastache Cana) – This great little plant will grow to about 15″ tall and about 18″ wide.  It is a prolific bloomer from about late summer to late fall in and around the southwest.  This variety is a … Continue reading Hyssop Flower