Native Plants

Barneby’s Indian Paintbrush

Castilleja scabrida var. barnebyana

USDA symbol: CASCB3

perennial forb

Lower 48 states: native

If you’re drawn to unique native wildflowers that paint the desert landscape with splashes of color, Barneby’s Indian paintbrush (Castilleja scabrida var. barnebyana) might catch your eye. This perennial forb is one of nature’s more elusive treasures, found only in specific corners of the American Southwest. Barneby’s Indian paintbrush calls ...

Barneby’s Indian Paintbrush may be listed as rare in your area.
Global Conservation Status

Status: S4T3? | Apparently Secure: Uncommon but not rare, and usually widespread. Possible cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals.

Barneby’s Indian Paintbrush: A Rare Desert Gem Worth Knowing

If you’re drawn to unique native wildflowers that paint the desert landscape with splashes of color, Barneby’s Indian paintbrush (Castilleja scabrida var. barnebyana) might catch your eye. This perennial forb is one of nature’s more elusive treasures, found only in specific corners of the American Southwest.

Where You’ll Find This Desert Beauty

Barneby’s Indian paintbrush calls the high desert regions of Nevada and Utah home. This native wildflower has adapted to life in some pretty tough neighborhoods—think rocky slopes, alkaline soils, and the kind of conditions that would make most garden plants throw in the trowel.

  • Species observed
  • No observations

What Makes It Special

As a member of the paintbrush family, this perennial forb grows as a herbaceous plant without woody stems—think of it as the desert’s answer to your favorite garden perennial, but with a lot more attitude. Unlike its showier cousins, Barneby’s Indian paintbrush has earned its place through pure tenacity rather than flashy blooms.

You might also see this plant listed under its scientific synonyms: Castilleja barnebyana or Castilleja calcicola, depending on which botanical reference you’re consulting.

The Rarity Factor: A Important Consideration

Here’s where things get serious for a moment. Barneby’s Indian paintbrush carries a Global Conservation Status of S4T3?, which signals some level of conservation concern. If you’re considering adding this plant to your garden, it’s crucial to source it responsibly. Never collect plants from the wild, and only purchase from reputable native plant nurseries that can guarantee their stock comes from ethical propagation programs.

Growing Barneby’s Indian Paintbrush: The Challenge

Let’s be honest—this isn’t your typical pick up at the garden center kind of plant. Growing Barneby’s Indian paintbrush successfully requires understanding its desert origins and specific needs. While detailed cultivation information for this particular variety is limited, we can make some educated guesses based on its native habitat:

  • Excellent drainage is absolutely non-negotiable
  • Full sun exposure, just like its desert home
  • Minimal water once established
  • Alkaline to neutral soil conditions
  • Hot, dry summers and cold winters

Is This Plant Right for Your Garden?

Barneby’s Indian paintbrush isn’t for everyone, and that’s perfectly okay. Consider this plant if you:

  • Live in USDA zones similar to high desert Nevada and Utah
  • Have experience with challenging native plants
  • Want to support conservation through responsible cultivation
  • Appreciate subtle beauty over showstopping blooms
  • Have a specialized xeric or desert-themed garden

However, you might want to skip this one if you’re new to native gardening, have clay soil with poor drainage, or live in a humid climate.

The Bottom Line

Barneby’s Indian paintbrush represents the kind of plant that makes native gardening both challenging and rewarding. It’s not going to be the star of your flower border, but for the right gardener in the right location, it offers a chance to cultivate something truly special while supporting conservation efforts.

If you’re intrigued but intimidated, consider starting with more common Indian paintbrush species to gain experience before tackling this rare variety. And remember—sometimes the most meaningful plants in our gardens are the ones that teach us patience and respect for nature’s complexity.

Castilleja scabrida var. barnebyana is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Castilleja scabrida var. barnebyana is also known as:

Castilleja barnebyana | USDA symbol: CABA12
Castilleja calcicola Pennell ex | USDA symbol: CACA54

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Scrophulariales
Family: Scrophulariaceae Juss. - Figwort family
Genus: Castilleja Mutis ex L. f. - Indian paintbrush

Species: Castilleja scabrida Eastw. - rough Indian paintbrush

Variety: Castilleja scabrida Eastw. var. barnebyana (Eastw.) N.H. Holmgren - Barneby's Indian paintbrush

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