North America Native Plant

Jones’ Dalea

Botanical name: Psorothamnus polydenius var. jonesii

USDA symbol: PSPOJ

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Jones’ Dalea: A Rare Utah Native Worth Protecting If you’re a native plant enthusiast with a passion for rare species, Jones’ dalea (Psorothamnus polydenius var. jonesii) might catch your attention. This perennial shrub is one of those special plants that makes you feel like you’ve discovered a hidden gem – ...

Rare plant alert!

Region: Conservation status by state

Status: S5T1T2: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ 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. ⚘

Jones’ Dalea: A Rare Utah Native Worth Protecting

If you’re a native plant enthusiast with a passion for rare species, Jones’ dalea (Psorothamnus polydenius var. jonesii) might catch your attention. This perennial shrub is one of those special plants that makes you feel like you’ve discovered a hidden gem – though in this case, it’s a gem that requires some serious consideration before adding to your garden.

What Makes Jones’ Dalea Special

Jones’ dalea is a multi-stemmed woody shrub that typically stays manageable in size, usually growing less than 13 to 16 feet tall. Like other members of the dalea family, it’s built for tough conditions and brings that distinctive desert southwest character to any landscape. This perennial shrub develops several stems from near the ground, creating a naturally full, bushy appearance that fits perfectly into xeriscape and native plant gardens.

A True Utah Endemic

Here’s where Jones’ dalea gets really interesting – and where gardeners need to pay attention. This plant is native to the lower 48 states, but its distribution is incredibly limited, found only in Utah. When a plant has such a restricted range, it tells us something important about both its specific habitat needs and its conservation status.

The Rarity Factor: What Gardeners Need to Know

Jones’ dalea carries a Global Conservation Status of S5T1T2, which indicates this is a rare plant variety that deserves our respect and careful consideration. If you’re thinking about growing this species, here’s what you need to know:

  • Only source plants or seeds from reputable native plant suppliers who can verify responsible collection practices
  • Never collect from wild populations
  • Consider this plant only if you can provide appropriate growing conditions
  • Think of yourself as a steward helping to preserve a rare piece of Utah’s natural heritage

Is Jones’ Dalea Right for Your Garden?

The honest answer is: probably not, unless you’re specifically committed to growing rare native plants and have experience with challenging species. The limited information available about this variety’s specific growing requirements, combined with its rarity status, makes it a plant better suited for dedicated native plant gardens, botanical collections, or conservation-focused landscapes rather than typical home gardens.

Alternative Daleas for Your Garden

If you’re drawn to the idea of growing daleas but want something more readily available and better documented, consider these alternatives:

  • Purple prairie clover (Dalea purpurea) – widely available and excellent for pollinators
  • White prairie clover (Dalea candida) – another great pollinator plant with better availability
  • Other Psorothamnus species that are less rare and better suited to cultivation

Supporting Conservation

Sometimes the best way to appreciate a rare plant like Jones’ dalea is to support its conservation in its natural habitat rather than trying to grow it in our gardens. Consider supporting organizations that work to protect Utah’s unique plant communities, or volunteer with local native plant societies that focus on habitat preservation.

If you do decide to grow Jones’ dalea, approach it as a conservation project rather than a typical gardening endeavor. Work with botanical gardens, native plant societies, or conservation organizations to ensure you’re contributing to the species’ preservation rather than potentially impacting wild populations.

The Bottom Line

Jones’ dalea represents the fascinating diversity of our native flora, but its rarity means it’s not a casual garden choice. For most gardeners, appreciating this plant means learning about it, supporting its conservation, and choosing more readily available native alternatives for our landscapes. Sometimes the most responsible way to love a plant is to let it thrive where it belongs – in its native Utah habitat.

Jones’ 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 polydenius (Torr. ex S. Watson) Rydb. - Nevada dalea

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