Mountain Goldenbanner
Thermopsis montana
Last reviewed: July 2026
Light
full sun
Water
low
Size
12"–24" H × 12"–18" W
Bloom
May, Jun, Jul
Native to
AZ, CO, ID, MT and 6 more states
Pollinators
bees, butterflies
Browse plants for this ecoregion
Mountain goldenbanner is a native perennial that produces bright yellow flower spikes in late spring and early summer. This compact legume grows in neat clumps with attractive compound leaves and requires minimal water once established.
In an HOA neighborhood
Mountain Goldenbanner is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- Foliage dies back completely in winter
Wildlife value
The bright yellow flowers attract native bees and butterflies during the blooming season. As a legume, it also fixes nitrogen in the soil, benefiting surrounding plants.
Common questions
- How much sun does Mountain Goldenbanner need?
- Mountain Goldenbanner grows best in full sun conditions.
- When does Mountain Goldenbanner bloom?
- Mountain Goldenbanner blooms in May, June, and July.
- Where is Mountain Goldenbanner native?
- Mountain Goldenbanner (Thermopsis montana) is native to AZ, CO, ID, MT and 6 more states, per the USDA PLANTS Database and regional native plant society lists.
- What pollinators does Mountain Goldenbanner attract?
- Mountain Goldenbanner draws bees and butterflies.
- Is Mountain Goldenbanner HOA-friendly?
- Mountain Goldenbanner is generally an HOA-friendly choice in the right placement, with low maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Mountain Goldenbanner? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz