Agastache foeniculum (Giant Hyssop) - photos and description

Agastache foeniculum

Agastache foeniculum
15 cm ruler for scale

Agastache foeniculum

Agastache foeniculum

General: Erect perennial with square, glabrous stems.

Flowers: Flowers light purple in a dense spike, spike measured at 3.5 cm long, flowers early July.

Leaves:  Leaves are serrate, reduced upwards on stem, lower leaf blade measured at 6 cm long and 4 cm wide. Leaf undersides much paler than top side. Leaf undersides sparingly hairy.

Height: Height is listed in Budd's Flora to 80 cm, we measured plants to 69 cm tall.

Habitat: Habitat is the edges of woods and thickets.

Abundance: Common.

Origin: Native.

When and where photographed: Photos taken July 1st, edge of woods, near Hudson Bay, about 400 km north east of our home in Regina, SK.