Anise Hyssop (Plants of Grasslands National Park | Les plantes du parc national des Prairies) · iNaturalist
Giant hyssop - flowering time, description, seasonal development and general distribution in Alberta
Budd's flora of the Canadian Prairie Provinces. Botany; Botanique. Fig. 182. Giant-hyssop, Agastache foeniculum (Pursh) Ktze. 622. Please note that these images are extracted from scanned page images that may have
Province of Manitoba | agriculture - Anise Hyssop
How to Grow and Use Hyssop | Gardener's Path
HYSSOP ROSE MINT Hyssop pallidiflora – Ferri Seeds