Sunset hyssop
Agastache rupestris (Greene) Standl.
Also called sunset hyssop, licorice mint.
Fine-leaved, licorice-scented hyssop with smoky orange tubular flowers in late summer, adored by hummingbirds.
Size over time
Typical landscape size 0.5–0.8 m (1–2 ft) tall and 0.3–0.5 m (1 ft) wide; medium growth, about 3 years to maturity. Intermediate sizes use the planner’s growth curve (k = 0.25) from the #1 install size.
Bloom
Orange flowers, Jul–Sep (northern-hemisphere months; timing shifts with region and season).
| Plant | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sunset hyssop : Jul–Sep |
Design notes
- Needs lean, fast-draining soil; dies in wet winter clay.
- Wait until spring to cut back old stems.
Regions
Native range: Mountains of Arizona, New Mexico and northern Mexico.
Native to these OpenLandscape3D pilot regions:
Native status describes where the species occurs naturally. It is not a promise that it suits a particular garden; site conditions decide that.
Related plants
Plan with Sunset hyssop
Place it in a design, check it against your zone, light and moisture, and see it at year three and year ten.