North America Native Plant

Devils Gate Twinpod

Botanical name: Physaria eburniflora

USDA symbol: PHEB

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Devils Gate Twinpod: A Rare Wyoming Treasure for Your Native Garden Meet the Devils Gate twinpod (Physaria eburniflora), a charming little Wyoming native that’s as rare as it is beautiful. This petite perennial forb might just be the perfect addition to your rock garden – if you can find it ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: 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 ⚘

Devils Gate Twinpod: A Rare Wyoming Treasure for Your Native Garden

Meet the Devils Gate twinpod (Physaria eburniflora), a charming little Wyoming native that’s as rare as it is beautiful. This petite perennial forb might just be the perfect addition to your rock garden – if you can find it responsibly sourced, that is.

What Makes Devils Gate Twinpod Special?

This delightful plant belongs to the mustard family and showcases cheerful yellow flowers that emerge in early spring, creating bright clusters atop silvery-green foliage. The Devils Gate twinpod forms low, compact rosettes that hug the ground, making it an excellent choice for gardeners who appreciate subtle beauty over flashy displays.

As a true Wyoming endemic, this species calls only the Cowboy State home, where it has adapted to thrive in the challenging high-altitude environment around the Devils Gate area and surrounding regions.

A Word of Caution: Rarity Matters

Before you start planning where to plant your Devils Gate twinpod, there’s something important to know. This species has a Global Conservation Status of S3, meaning it’s considered vulnerable. With only 21 to 100 known occurrences and an estimated 3,000 to 10,000 individuals in the wild, this little gem is quite precious.

If you choose to grow Devils Gate twinpod, please only purchase from reputable native plant nurseries that propagate their stock from legally collected seeds or cuttings – never from wild-harvested plants.

Why Grow Devils Gate Twinpod?

Despite its rarity (or perhaps because of it), there are compelling reasons to consider this native beauty:

  • Supports local ecology by providing nectar for native bees and other early-season pollinators
  • Perfectly adapted to harsh, dry conditions once established
  • Adds authentic Wyoming character to native plant collections
  • Requires minimal maintenance after establishment
  • Helps preserve genetic diversity through cultivation

Growing Conditions and Care

Devils Gate twinpod is surprisingly accommodating if you can meet its basic needs. This tough little plant thrives in USDA hardiness zones 4-7, making it suitable for much of the mountain West and northern regions.

Soil and Drainage

The absolute key to success is excellent drainage. Think rocky, sandy, or gravelly soils that dry out quickly. Heavy clay or consistently moist conditions will spell doom for your twinpod faster than you can say root rot.

Light Requirements

Full sun is essential. This plant evolved in Wyoming’s intense high-altitude sunshine and won’t perform well in shade.

Watering Needs

Once established, Devils Gate twinpod is remarkably drought-tolerant. Water sparingly during the first growing season, then step back and let nature take over. Overwatering is more dangerous than underwatering for this species.

Perfect Garden Settings

Devils Gate twinpod shines brightest in:

  • Rock gardens with excellent drainage
  • Alpine or mountain-themed landscapes
  • Native plant demonstration gardens
  • Xeriscaping projects
  • Conservation-focused plantings

Planting and Establishment Tips

Spring planting typically works best, giving your twinpod a full growing season to establish before winter. Plant in a sunny location with sharp drainage, and consider creating a small mound or raised area if your soil tends to hold moisture.

Space plants about 12-18 inches apart to allow for their mature spread, and resist the urge to pamper them with rich soil or frequent watering – they prefer the tough love approach!

The Bottom Line

Devils Gate twinpod offers native plant enthusiasts a chance to grow something truly special – a rare Wyoming endemic that brings authentic regional character to the right garden setting. While its vulnerable status means you’ll need to source it responsibly, successfully growing this species can contribute to its long-term preservation while adding a unique conversation piece to your landscape.

Just remember: drainage is king, less water is more, and always choose nursery-propagated plants over wild-collected specimens. Your garden – and Wyoming’s natural heritage – will thank you.

Devils Gate Twinpod

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Brassicaceae Burnett - Mustard family

Genus

Physaria (Nutt. ex Torr. & A. Gray) A. Gray - twinpod

Species

Physaria eburniflora Rollins - Devils Gate twinpod

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