North America Native Plant

Dwarf Mountain Ragwort

Botanical name: Senecio fremontii var. inexpectatus

USDA symbol: SEFRI

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Dwarf Mountain Ragwort: A Rare Rocky Mountain Gem Worth Protecting If you’re passionate about native plants and conservation gardening, you’ve probably never heard of dwarf mountain ragwort (Senecio fremontii var. inexpectatus). And honestly? That’s not surprising. This little-known perennial is one of those botanical treasures that flies completely under the ...

Rare plant alert!

Region: Conservation status by state

Status: S5T1: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ 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. ⚘

Dwarf Mountain Ragwort: A Rare Rocky Mountain Gem Worth Protecting

If you’re passionate about native plants and conservation gardening, you’ve probably never heard of dwarf mountain ragwort (Senecio fremontii var. inexpectatus). And honestly? That’s not surprising. This little-known perennial is one of those botanical treasures that flies completely under the radar—partly because it’s incredibly rare and partly because it calls only a small slice of the American West home.

What Makes This Plant Special?

Dwarf mountain ragwort is a herbaceous perennial forb, which is just a fancy way of saying it’s a non-woody plant that comes back year after year. Like other plants in the vast Senecio family, it’s got that classic daisy-like flower structure that makes gardeners (and pollinators) happy. But here’s where things get interesting—and a bit concerning.

This particular variety carries a Global Conservation Status of S5T1, which essentially means it’s quite rare in the wild. While the exact implications of this status aren’t fully defined, it’s a clear signal that this isn’t your run-of-the-mill garden center find.

Where Does It Call Home?

Dwarf mountain ragwort is native to just two states: Colorado and Utah. That’s it. This tiny geographic range makes it a true regional specialist, perfectly adapted to the unique conditions of the Rocky Mountain region.

Should You Grow It?

Here’s where we need to have an honest conversation. While supporting rare native plants is absolutely admirable, growing dwarf mountain ragwort comes with some serious responsibilities:

  • Source responsibly: Never collect from wild populations—this could harm already vulnerable communities
  • Verify legitimacy: Only purchase from reputable native plant nurseries that can guarantee ethical propagation
  • Consider alternatives: You might want to explore more common Senecio species that provide similar ecological benefits without conservation concerns

The Growing Challenge

Unfortunately, specific growing information for this variety is quite limited, which makes cultivation even trickier. Like most mountain plants from Colorado and Utah, it likely prefers:

  • Well-draining soils (mountain plants hate wet feet)
  • Full to partial sun exposure
  • Cool, dry conditions similar to its native high-elevation habitat
  • Minimal supplemental watering once established

Without detailed cultivation guides, growing this plant successfully requires patience, observation, and probably some trial and error.

The Bottom Line

Dwarf mountain ragwort represents something special in the gardening world—a chance to connect with and protect a truly rare piece of our natural heritage. But with that opportunity comes responsibility. If you’re drawn to this plant, approach it with respect for its conservation status and commit to sourcing it ethically.

For most gardeners, especially those outside Colorado and Utah, consider exploring more common native Senecio species or other regional wildflowers that can provide similar aesthetic and ecological benefits without the conservation complications. Sometimes the best way to appreciate a rare plant is to protect it in its natural habitat rather than bring it into our gardens.

After all, the goal of native gardening isn’t just to grow cool plants—it’s to support and preserve the incredible biodiversity that makes each region unique. And sometimes, that means admiring some species from afar.

Dwarf Mountain 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

Senecio L. - ragwort

Species

Senecio fremontii Torr. & A. Gray - dwarf mountain ragwort

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