The genus Agastache comprises some 30 species of aromatic perennials from China, Japan and North America, including one species native to Alberta, namely Agastache foeniculum .
Most species are erect bushy plants.
The leaves are greyish -green to green in colour and are borne on the stems in opposite pairs. Most are found growing in dry habitats. Dense spikes of 4 to 8 cm in length of often blue flowers, with violet bracts and calyces, are borne during late July and August. Agastache foeniculum Agastache foeniculum grows well in any average soil. In the wild it is found growing in grassland and thickets as well as alongside many back roads.