Prairie Golden Banner
Thermopsis rhombifolia
Prairie Golden Banner is a perennial for mid-border, suited to full sun to partial shade and clay or loam, flowering May, Jun.
| Type | Perennial |
|---|---|
| Mature height | 45 cm |
| Spread | 60 cm |
| Aspect | full sun to partial shade |
| Foliage | Deciduous |
| Hardiness | USDA 3a-9b |
| Pollinator-friendly | Yes |
| Pet-safe | No |
Where to use it in a border
At around 45 cm, it sits best through the middle of a border, between taller structure behind and edging in front. Give it about 60 cm of room to spread. It is hardy across USDA zones 3a to 9b, so check it suits your area before planting.
It appears in our lists of full sun, clay soil, pollinator-friendly plants.
Border Builder uses Prairie Golden Banner's height, spread, soil, bloom months and companions to place it in a full border plan for your own conditions, on iPhone and iPad.
Flowering through the year
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Worth knowing
- Not recorded as pet-safe; site it away from pets that graze if that matters to you.
- Its flowers are valued by bees and other pollinators.
Good companions
Plants that share its conditions and style, chosen to complement its place in the border:
- American Spikenardfor height behind it
- Aromatic Asterto edge in front
- Blanket Flower 'Arizona Sun'to edge in front
- Bottle Gentianto edge in front
- Bunchberryto edge in front
- Common Sneezeweedfor height behind it