North America Native Plant

Hart’s Ragwort

Botanical name: Packera hartiana

USDA symbol: PAHA16

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Senecio hartianus A. Heller (SEHA5)   

Hart’s Ragwort: A Hidden Gem for Southwest Native Gardens If you’re looking to add a splash of cheerful yellow to your native garden while supporting local wildlife, Hart’s ragwort might just be the perfect addition you never knew you needed. This charming southwestern native has been quietly brightening landscapes across ...

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 ⚘

Hart’s Ragwort: A Hidden Gem for Southwest Native Gardens

If you’re looking to add a splash of cheerful yellow to your native garden while supporting local wildlife, Hart’s ragwort might just be the perfect addition you never knew you needed. This charming southwestern native has been quietly brightening landscapes across the American Southwest for generations, and it’s about time more gardeners discovered its unique appeal.

Meet Hart’s Ragwort

Hart’s ragwort (Packera hartiana) is a delightful perennial forb that belongs to the sunflower family. You might also see it listed under its former scientific name, Senecio hartianus, in older gardening references. As a forb, this plant is herbaceous rather than woody, meaning it dies back to the ground each year but returns faithfully from its root system.

This native beauty calls the southwestern United States home, naturally occurring across Arizona, New Mexico, Texas, and Utah. Its wide geographic distribution speaks to its adaptability and resilience – qualities that make it an excellent choice for gardeners working with challenging conditions.

Why Consider Hart’s Ragwort for Your Garden?

There are several compelling reasons to give this native plant a spot in your landscape:

  • Native heritage: As a true native of the American Southwest, Hart’s ragwort has evolved alongside local wildlife and climate conditions
  • Pollinator magnet: The bright yellow, daisy-like flowers attract native bees, butterflies, and other beneficial insects
  • Versatile growing conditions: With a facultative wetland status, this plant can handle both moist and drier conditions
  • Low maintenance: Once established, native plants typically require less water and care than non-native alternatives

Important Conservation Note

Hart’s ragwort has a Global Conservation Status of S3S4, which indicates it may be somewhat uncommon in parts of its range. If you decide to add this plant to your garden, please source it responsibly from reputable native plant nurseries or seed suppliers who ethically collect their material. Avoid collecting plants from wild populations.

Growing Hart’s Ragwort Successfully

One of the best things about Hart’s ragwort is its adaptability. This resilient native can thrive in USDA hardiness zones 5 through 9, making it suitable for a wide range of southwestern gardens.

Ideal Growing Conditions

Based on its facultative wetland status across multiple regions, Hart’s ragwort is remarkably flexible about moisture levels. It can handle:

  • Both wet and moderately dry soils
  • Various soil types, though good drainage is likely preferred
  • Full sun to partial shade conditions
  • The temperature extremes typical of southwestern climates

Perfect Garden Settings

Hart’s ragwort shines in several garden styles:

  • Native plant gardens: Pairs beautifully with other southwestern natives
  • Wildflower meadows: Adds natural charm to naturalized areas
  • Pollinator gardens: Provides important nectar sources for local insects
  • Restoration projects: Excellent for habitat restoration efforts
  • Water-wise landscapes: Thrives with minimal irrigation once established

Planting and Care Tips

Hart’s ragwort is refreshingly easy to grow once you understand its needs:

  • Timing: Plant in fall or early spring when temperatures are moderate
  • Soil preparation: Ensure good drainage while retaining some moisture-holding capacity
  • Watering: Provide regular water during establishment, then reduce frequency as the plant matures
  • Maintenance: Minimal pruning needed; allow natural dieback in winter
  • Propagation: Can likely be grown from seed, though specific propagation information is limited

Supporting Local Ecosystems

By choosing Hart’s ragwort, you’re doing more than just adding beauty to your landscape. You’re creating habitat for native pollinators, supporting local plant communities, and helping preserve the genetic diversity of southwestern flora. The bright yellow flowers provide nectar for various beneficial insects, while the plant’s structure may offer shelter for smaller creatures.

The Bottom Line

Hart’s ragwort represents everything we love about native plants: beauty, resilience, and ecological value all wrapped up in one charming package. While it may not be the showiest plant in your garden, its quiet contribution to local ecosystems and its cheerful yellow blooms make it a worthy addition to any native plant enthusiast’s collection. Just remember to source it responsibly, and you’ll be rewarded with a low-maintenance native that truly belongs in your southwestern landscape.

Hart’s 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 hartiana (A. Heller) W.A. Weber & Á. Löve - Hart's ragwort

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