Prairie Thermopsis (Thermopsis Rhombifolia) is a perennial herb in the Fabaceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 3-7. This plant is toxic to cats and dogs — keep it out of reach of pets.

Thermopsis rhombifolia is a perennial flowering herb native to North America, known for its bright yellow flowers and membership in the legume family.

Prairie Thermopsis

Prairie Thermopsis

Thermopsis Rhombifolia

Thermopsis rhombifolia is a perennial flowering herb native to North America, known for its bright yellow flowers and membership in the legume family.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
3-7

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, sandy, rocky
Indoor:No
Outdoor:Yes
Garden Use:groundcover, nitrogen fixer, pollinator attractor

Care Calendar

Monthly care tasks for Prairie Thermopsis

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Prairie Thermopsis
Prairie Thermopsis detail

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Taxonomy

Family:Fabaceae
Genus:Thermopsis