North America Native Plant

Inyo Princesplume

Botanical name: Stanleya pinnata var. inyoensis

USDA symbol: STPII2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Stanleya pinnata (Pursh) Britton ssp. inyoensis Munz & Roos (STPII3)   

Inyo Princesplume: A Rare Desert Beauty for Your Native Garden Meet the Inyo princesplume (Stanleya pinnata var. inyoensis), a stunning native wildflower that brings desert elegance to water-wise gardens. This remarkable perennial herb produces towering spikes of bright yellow flowers that seem to glow against the landscape, making it a ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2T4: Status is uncertain but is somewhere between the following rankings: 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) ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 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. ⚘

Inyo Princesplume: A Rare Desert Beauty for Your Native Garden

Meet the Inyo princesplume (Stanleya pinnata var. inyoensis), a stunning native wildflower that brings desert elegance to water-wise gardens. This remarkable perennial herb produces towering spikes of bright yellow flowers that seem to glow against the landscape, making it a true showstopper for those who appreciate unique native plants.

Where Does Inyo Princesplume Call Home?

This beautiful variety is native to the American West, specifically found in California, Nevada, and Utah. It thrives in the harsh yet spectacular environments of the eastern Sierra Nevada and Great Basin regions, where it has adapted to extreme conditions that would challenge most garden plants.

A Plant Worth Protecting

Here’s something important to know: Inyo princesplume has a conservation status that suggests it may be uncommon in the wild. If you’re interested in growing this special plant, make sure to source it responsibly from reputable native plant nurseries rather than collecting from wild populations. By growing it in your garden, you’re actually helping to preserve this unique variety for future generations.

Why Your Garden Will Love Inyo Princesplume

This isn’t your typical garden flower, and that’s exactly what makes it special. Here’s what this desert native brings to the table:

  • Dramatic height: Tall flower spikes create stunning vertical interest
  • Bright yellow blooms: Eye-catching flowers that practically glow in the landscape
  • Pollinator magnet: Bees and butterflies can’t resist those cheerful yellow flowers
  • Ultra drought-tolerant: Once established, it thrives with minimal water
  • Low maintenance: Perfect for busy gardeners who want maximum impact with minimal fuss
  • Silvery foliage: Attractive blue-green leaves provide year-round interest

Perfect Garden Situations

Inyo princesplume isn’t for every garden situation, but when it’s right, it’s absolutely perfect. Consider it for:

  • Native plant gardens celebrating regional flora
  • Xerophytic or drought-tolerant landscapes
  • Rock gardens with excellent drainage
  • Desert-themed designs
  • Wildlife-friendly pollinator gardens
  • Areas where you want a bold, architectural plant statement

Growing Conditions That Make It Happy

Success with Inyo princesplume comes down to understanding its desert origins. This plant has very specific needs:

  • Sunlight: Full sun is absolutely essential
  • Soil: Well-draining, alkaline soils (clay and poorly draining soils are a no-go)
  • Water: Minimal once established – overwatering is often more harmful than drought
  • Climate: Hardy in USDA zones 4-8
  • Soil quality: Actually prefers poor, rocky soils over rich garden soil

Planting and Care Tips for Success

Getting Inyo princesplume established requires patience and the right approach:

  • Drainage is everything: If your soil doesn’t drain well, consider raised beds or rock gardens
  • Less is more with water: Water regularly the first year to establish roots, then back off significantly
  • Don’t pamper it: Avoid fertilizers and rich soils that can actually harm this desert native
  • Be patient: Like many natives, it may take a season or two to really get going
  • Source responsibly: Purchase from native plant nurseries rather than wild collection

Is Inyo Princesplume Right for Your Garden?

This plant is perfect for gardeners who love unique natives and have the right growing conditions. If you can provide excellent drainage, full sun, and resist the urge to overwater, you’ll be rewarded with a truly special addition to your landscape. Just remember to source it responsibly and enjoy being part of this rare plant’s conservation story.

While Inyo princesplume may not be the easiest native to grow, for those who succeed, it offers something truly special: a piece of the American desert’s wild beauty right in your own backyard.

Inyo Princesplume

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

Stanleya Nutt. - princesplume

Species

Stanleya pinnata (Pursh) Britton - desert princesplume

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