Broom Dalea

(Psorothamnus scoparius)

Broom Dalea (Psorothamnus scoparius)

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Estimated Native Range
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Summary

Psorothamnus scoparius, commonly known as Broom Dalea, is an evergreen subshrub or shrub native to arid environments such as desert washes, rocky slopes, and scrublands in the Southwestern USA and Northern Mexico. It typically grows to a height and width of 1-5 feet (0.3-1.5 meters), with a rounded form and dense branching. The plant is adorned with small, compound leaves that are drought-resistant. Broom Dalea is notable for its vibrant purple flowers that bloom in the summer, attracting pollinators such as bees and butterflies.

Broom Dalea is valued for its drought tolerance and ability to thrive in harsh conditions, making it an excellent choice for xeriscaping and low-water-use gardens. Its showy purple flowers and evergreen foliage provide year-round interest, and it is often used in naturalistic plantings, rock gardens, and as a ground cover in arid landscapes. This plant prefers full sun exposure and is well-suited to soils with medium to fast drainage. While it is low-maintenance, it is important to avoid overwatering to prevent root rot. Broom Dalea is not commonly affected by diseases or pests, but it can be sensitive to over-irrigation.CC BY-SA 4.0

Plant Description

  • Plant Type: Subshrub, Shrub
  • Height: 1-4.5 feet
  • Width: 1-4.5 feet
  • Growth Rate: Moderate
  • Flower Color: Purple
  • Flowering Season: Summer
  • Leaf Retention: Evergreen

Growth Requirements

  • Sun: Full Sun
  • Water: Low
  • Drainage: Medium, Fast

Common Uses

Bee Garden, Low Maintenance, Showy Flowers

Natural Habitat

Desert washes, rocky slopes, and scrublands

Other Names

Common Names: Broom Smokebush

Scientific Names: , Psorothamnus scoparius, Dalea scoparia, Parosela scoparia, Parosela scoparia f. arsenei, Dalea scoparia f. suberosea, Psorothamnus scoparus,

GBIF Accepted Name: Psorothamnus scoparius (A.Gray) Rydb.