Agastache foeniculum (Pursh) Kuntze

Erect, to 1 m, simple or branched above; lvs ovate to rhombic-ovate or deltoid-ovate, the larger to 9 cm, coarsely serrate, broadly obtuse to truncate at base, whitened beneath, with a very fine close pubescence, the hairs scarcely discernible at 10×; petioles rarely to 1.5 cm, even on the largest lvs; spikes cylindric, to 15 cm, 2–2.5 cm thick, commonly interrupted at base; bracts broadly ovate, acuminate; cal puberulent at anthesis, 5–7 mm, its lobes blue, lance-triangular, 1.5–2 mm; cor blue, nearly 1 cm; 2n=18. Dry upland woods and prairies; Wis. to n. Io. and Man., s. to Colo. and Alta., and occasionally e. (probably only intr.) to Que. July, Aug. (A. anethiodora)

It is a temperate plant. It grows naturally in waste ground on prairies and plains in Western North America from Ontario to Washington and south to Colorado. It does best in sunny positions and well drained soil. It can stand light frosts. In Hobart Botanical gardens. It suits plant hardiness zone 6-10.

The leaves and flowers are eaten raw or cooked. They have an aniseed flavour and are good in salads. They are also used in cakes and sweets. A pleasant tasting tea can be made from the leaves.

Plants can be grown from seed. They should just be covered with soil and germinate in 1-3 months at 13°C. They should be grown in the nursery for the first year. Plants can also be grown by dividing clumps and can be grown from basal cuttings. These root in 3 weeks.