North America Native Plant

Fremont’s Dalea

Botanical name: Psorothamnus fremontii var. attenuatus

USDA symbol: PSFRA

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Fremont’s Dalea: A Desert Gem for Water-Wise Gardens If you’re looking to create a stunning, low-maintenance desert garden that supports local wildlife, Fremont’s dalea (Psorothamnus fremontii var. attenuatus) might just be your new best friend. This native southwestern shrub brings both beauty and ecological benefits to drought-tolerant landscapes, making it ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Fremont’s Dalea: A Desert Gem for Water-Wise Gardens

If you’re looking to create a stunning, low-maintenance desert garden that supports local wildlife, Fremont’s dalea (Psorothamnus fremontii var. attenuatus) might just be your new best friend. This native southwestern shrub brings both beauty and ecological benefits to drought-tolerant landscapes, making it a fantastic choice for gardeners who want to work with nature rather than against it.

What Makes Fremont’s Dalea Special?

Fremont’s dalea is a true native of the American Southwest, naturally occurring across Arizona, California, and Nevada. This perennial shrub typically grows as a multi-stemmed woody plant, usually reaching heights of 4-5 meters (13-16 feet) under ideal conditions, though it often stays more compact in garden settings.

What really sets this plant apart is its stunning display of purple to violet pea-like flowers that create a striking contrast against its silvery-gray foliage. The combination is nothing short of eye-catching, especially when the plant is in full bloom.

Why Choose Fremont’s Dalea for Your Garden?

There are several compelling reasons to consider adding this native beauty to your landscape:

  • Water-wise wonder: Once established, Fremont’s dalea is incredibly drought tolerant, making it perfect for xeriscaping and water-conscious gardening
  • Pollinator magnet: The flowers attract bees, butterflies, and other native pollinators, supporting local ecosystem health
  • Low maintenance: This tough native requires minimal care once it’s settled in
  • Year-round interest: The silvery foliage provides attractive structure even when not in bloom
  • Native plant benefits: Supporting local ecosystems by growing plants that naturally belong in your region

Perfect Garden Settings

Fremont’s dalea shines in specific garden styles and situations:

  • Desert and xeriscape gardens
  • Native plant landscapes
  • Wildlife and pollinator gardens
  • Slope stabilization projects
  • Natural or informal landscape designs

Growing Conditions and Care

The good news is that Fremont’s dalea isn’t particularly fussy, but it does have some preferences:

Climate: This plant thrives in USDA hardiness zones 8-10, making it suitable for much of the Southwest and warm regions of California.

Sun and soil: Give it full sun and well-draining soil. Like most desert natives, it absolutely cannot tolerate waterlogged conditions, so good drainage is non-negotiable.

Water needs: While establishing (usually the first year), provide regular but moderate watering. Once established, it’s remarkably drought tolerant and actually prefers minimal irrigation.

Planting and Care Tips

For the best success with Fremont’s dalea:

  • Timing: Plant in fall or early spring when temperatures are moderate
  • Spacing: Give plants plenty of room to reach their mature size
  • Watering: Water regularly during the first growing season, then reduce to occasional deep watering
  • Pruning: Light pruning after flowering can help maintain shape, but isn’t strictly necessary
  • Fertilizing: Generally unnecessary – these plants are adapted to lean soils

A Word About Conservation

Fremont’s dalea has a somewhat uncertain conservation status (listed as S5T3?), which means we should be thoughtful about how we source our plants. When purchasing, make sure you’re buying from reputable nurseries that grow their plants rather than wild-collecting them. This helps protect wild populations while still allowing you to enjoy this beautiful native in your garden.

Is Fremont’s Dalea Right for You?

This native shrub is an excellent choice if you’re gardening in its natural range and want to create a water-wise, wildlife-friendly landscape. It’s particularly perfect for gardeners who appreciate the natural beauty of desert plants and want to support local ecosystems.

However, if you’re looking for a plant that needs regular watering or thrives in humid conditions, this probably isn’t your match. Fremont’s dalea is all about embracing the beauty of drought-adapted gardening.

With its striking flowers, wildlife benefits, and low-maintenance nature, Fremont’s dalea proves that native plants can be both ecologically responsible and absolutely gorgeous. Why not give this southwestern beauty a try in your water-wise garden?

Fremont’s Dalea

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Psorothamnus Rydb. - dalea

Species

Psorothamnus fremontii (Torr. ex A. Gray) Barneby - Fremont's dalea

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA