Host an Event Volunteer Join Tickets

Support the plant database you love!


Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

Enter a Plant Name:
Or choose a plant family:
Psorothamnus scoparius (Broom dalea)
Anderson, Wynn

Psorothamnus scoparius

Psorothamnus scoparius (A. Gray) Rydb.

Broom Dalea, Broom Smokebush, Broom Pea

Fabaceae (Pea Family)

Synonym(s): Dalea scoparia

USDA Symbol: PSSC6

USDA Native Status: L48 (N)

Broom smokebush or broom dalea is a thornless shrub to 2 ft. with only a few, simple leaves, appearing after rains. Photosynthesis occurs in the stems when the leaves have fallen and the shrub takes on an open, broom-like appearance. Pea-like flowers are dark-blue.


From the Image Gallery

32 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Shrub
Size Class: 1-3 ft.

Bloom Information

Bloom Color: Blue
Bloom Time: Aug , Sep


Native Distribution: W. TX to e. AZ, s. to Mex.
Native Habitat: Sandy hills; bottomlands; coppice mounds

Growing Conditions

Light Requirement: Sun
Soil Description: Sandy soils.
Conditions Comments: Good for erosion control. Needs periodic pruning to encourage compact growth. Overwatering and/or fertilization can cause legginess, weak growth, and reduced flowering. Very drought resistant.

Value to Beneficial Insects

Special Value to Native Bees
Special Value to Bumble Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Additional resources

USDA: Find Psorothamnus scoparius in USDA Plants
FNA: Find Psorothamnus scoparius in the Flora of North America (if available)
Google: Search Google for Psorothamnus scoparius


Record Modified: 2021-02-27
Research By: TWC Staff

Go back