North America Native Plant

Toumey’s Groundsel

Botanical name: Packera neomexicana var. toumeyi

USDA symbol: PANET2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Senecio neomexicanus A. Gray var. toumeyi (Greene) T.M. Barkley (SENET)  ⚘  Senecio toumeyi Greene (SETO8)   

Toumey’s Groundsel: A Hidden Gem for Southwestern Native Gardens If you’re looking to add some sunshine to your native garden, Toumey’s groundsel (Packera neomexicana var. toumeyi) might just be the cheerful addition you’ve been seeking. This delightful southwestern native brings both beauty and ecological value to the right garden setting, ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ 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) ⚘ 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. ⚘

Toumey’s Groundsel: A Hidden Gem for Southwestern Native Gardens

If you’re looking to add some sunshine to your native garden, Toumey’s groundsel (Packera neomexicana var. toumeyi) might just be the cheerful addition you’ve been seeking. This delightful southwestern native brings both beauty and ecological value to the right garden setting, though it’s not a plant you’ll find at your typical garden center.

What Makes Toumey’s Groundsel Special?

Toumey’s groundsel is a perennial forb—essentially a non-woody flowering plant that comes back year after year. Don’t let the technical classification fool you; this is simply a hardy little wildflower that knows how to make itself at home in the challenging conditions of the American Southwest.

You might also encounter this plant listed under its scientific synonyms, Senecio neomexicanus var. toumeyi or Senecio toumeyi, as botanical names sometimes shift as our understanding of plant relationships evolves.

Where Does It Call Home?

This charming groundsel is a true regional specialist, naturally occurring only in Arizona and New Mexico. As a native species of the lower 48 states, it has evolved specifically to thrive in the unique conditions of the southwestern landscape.

Garden Appeal and Design Potential

Toumey’s groundsel offers several attractive features for the native plant enthusiast:

  • Bright yellow, daisy-like flowers that appear in spring
  • Silvery-green foliage that provides nice contrast in plant compositions
  • Low-growing habit perfect for ground cover or rock garden applications
  • Drought tolerance once established

This plant works beautifully in native plant gardens, xeriscape designs, and rock gardens where its natural character can shine. It’s particularly valuable for creating authentic southwestern plant communities in residential landscapes.

Supporting Local Wildlife

Like many members of the sunflower family, Toumey’s groundsel produces composite flowers that attract a variety of pollinators. Native bees, butterflies, and other beneficial insects appreciate the nectar and pollen resources this plant provides during its blooming period.

Growing Conditions and Care

Toumey’s groundsel is adapted to the challenging conditions of its native range, making it relatively low-maintenance for gardeners in appropriate climates:

  • Hardiness: Suitable for USDA zones 5-9
  • Light: Full sun to partial shade
  • Soil: Well-drained soils are essential; avoid areas that stay wet
  • Water: Drought tolerant once established, minimal supplemental watering needed
  • Maintenance: Very low maintenance once established

Planting and Establishment Tips

Success with Toumey’s groundsel starts with proper site selection and planting technique:

  • Choose a location with excellent drainage—this plant won’t tolerate soggy conditions
  • Plant in fall or early spring when temperatures are moderate
  • Water regularly during the first growing season to help establish roots
  • Once established, reduce watering significantly as the plant prefers drier conditions

Important Considerations

Before adding Toumey’s groundsel to your garden, there are a few important points to consider. This plant has an undefined conservation status (S5T2Q), which suggests it may have limited distribution or face certain pressures in the wild. If you decide to grow this species, it’s crucial to source your plants or seeds from reputable native plant nurseries that practice responsible collection methods.

Additionally, this plant is specifically adapted to southwestern conditions and may not thrive outside its natural range. Gardeners in Arizona and New Mexico will have the best success with this species.

Is Toumey’s Groundsel Right for Your Garden?

Toumey’s groundsel is an excellent choice for gardeners who:

  • Live within its natural range (Arizona or New Mexico)
  • Want to create authentic native plant communities
  • Appreciate low-maintenance, drought-tolerant plants
  • Are committed to supporting local ecosystems and pollinators
  • Can source plants responsibly from reputable suppliers

While it may not be the showiest plant in the garden, Toumey’s groundsel offers the quiet satisfaction of growing a true regional native that supports local wildlife while requiring minimal resources once established. For the right gardener in the right location, it’s a wonderful way to connect your landscape with the natural heritage of the Southwest.

Toumey’s Groundsel

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 neomexicana (A. Gray) W.A. Weber & Á. Löve - New Mexico groundsel

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