North America Native Plant

Burnet Ragwort

Botanical name: Packera sanguisorboides

USDA symbol: PASA12

Life cycle: biennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Senecio sanguisorboides Rydb. (SESA6)   

Burnet Ragwort: A Rare Native Wildflower Worth Protecting If you’re a native plant enthusiast with a passion for rare and unique wildflowers, burnet ragwort (Packera sanguisorboides) might just capture your heart. This uncommon member of the sunflower family brings a touch of wild beauty to gardens while supporting local ecosystems—but ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4: 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 ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Burnet Ragwort: A Rare Native Wildflower Worth Protecting

If you’re a native plant enthusiast with a passion for rare and unique wildflowers, burnet ragwort (Packera sanguisorboides) might just capture your heart. This uncommon member of the sunflower family brings a touch of wild beauty to gardens while supporting local ecosystems—but there are some important things every gardener should know before adding it to their landscape.

What Makes Burnet Ragwort Special?

Burnet ragwort is a charming herbaceous perennial (sometimes biennial) that produces clusters of small, bright yellow daisy-like flowers. As a forb—basically a non-woody flowering plant—it maintains a relatively compact, ground-hugging form that makes it perfect for naturalized gardens and wildflower meadows.

You might also encounter this plant listed under its former scientific name, Senecio sanguisorboides, in older gardening references or seed catalogs.

Where Does It Call Home?

This lovely wildflower is native to the southwestern United States, with its primary stronghold in New Mexico. Its limited geographical distribution makes it a true regional treasure—and also explains why you won’t find it at your typical garden center.

A Word of Caution: Rarity Matters

Here’s where things get important: burnet ragwort has a conservation status of S3S4, meaning it’s considered vulnerable to apparently secure in its native range. This isn’t a plant you’ll want to dig up from the wild or purchase from questionable sources.

If you’re determined to grow this rare beauty, make sure you:

  • Source seeds or plants only from reputable native plant nurseries
  • Verify that any material was ethically propagated, not wild-collected
  • Consider growing it as part of conservation efforts

Growing Burnet Ragwort Successfully

Since detailed cultivation information for this specific species is limited due to its rarity, we can draw from what we know about related Packera species and its native habitat.

Ideal Growing Conditions

  • USDA Hardiness Zones: Likely 4-8 (based on its New Mexico origins)
  • Soil: Well-draining soils, probably tolerates poor to moderate fertility
  • Light: Full sun to partial shade
  • Water: Moderate water needs, drought-tolerant once established

Perfect Garden Roles

Burnet ragwort shines in:

  • Native wildflower gardens
  • Rock gardens with southwestern themes
  • Natural or restored prairie areas
  • Specialty collections of rare native plants

Wildlife and Pollinator Benefits

Those cheerful yellow blooms aren’t just pretty—they’re pollinator magnets! The flowers attract various small bees, butterflies, and other beneficial insects. As a native plant, it’s perfectly adapted to support local wildlife that co-evolved with it over thousands of years.

Care and Maintenance

The good news is that native plants like burnet ragwort are typically low-maintenance once established. Since it’s adapted to southwestern conditions, it should be relatively drought-tolerant and not require rich, heavily amended soils. Allow the plant to go to seed if you want it to naturalize (and help with conservation!), or deadhead spent flowers to encourage continued blooming.

Should You Grow Burnet Ragwort?

This plant is perfect for gardeners who:

  • Are passionate about native plant conservation
  • Want to support rare and unusual species
  • Have experience growing wildflowers from seed
  • Are committed to ethical plant sourcing

However, beginners might want to start with more common native alternatives while building their gardening skills. Consider other Packera species or southwestern natives that are more readily available and not at conservation risk.

Remember, every rare plant we grow responsibly in our gardens is a small step toward conservation. If you do decide to grow burnet ragwort, you’ll be joining a special community of gardeners who are helping preserve our native botanical heritage—one garden at a time.

Burnet Ragwort

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Packera Á. Löve & D. Löve - ragwort

Species

Packera sanguisorboides (Rydb.) W.A. Weber & Á. Löve - burnet ragwort

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