Blue giant hyssop
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Lamiales
- family: Lamiaceae
- genus: Agastache
- species: Agastache foeniculum
Schärding
Upper Austria
AustriaFort Frances
Ontario
CanadaDenver
ColoradoLitchfield
Milford
ConnecticutEmporia
KansasInternational Falls
MinnesotaWashington, D. C.
Washington, D.C.
United States