North America Native Plant

Dwarf Mountain Ragwort

Botanical name: Senecio fremontii var. occidentalis

USDA symbol: SEFRO

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Senecio fremontii Torr. & A. Gray ssp. occidentalis (A. Gray) G.W. Douglas & G. Ruyle-Douglas (SEFRO2)   

Dwarf Mountain Ragwort: A Charming Native for High-Altitude Gardens If you’re looking for a tough, beautiful native plant that can handle challenging conditions while adding cheerful color to your garden, meet the dwarf mountain ragwort (Senecio fremontii var. occidentalis). This resilient perennial forb might just be the perfect addition to ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3T4: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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. ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘ 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 Charming Native for High-Altitude Gardens

If you’re looking for a tough, beautiful native plant that can handle challenging conditions while adding cheerful color to your garden, meet the dwarf mountain ragwort (Senecio fremontii var. occidentalis). This resilient perennial forb might just be the perfect addition to your rock garden or native landscape design.

What is Dwarf Mountain Ragwort?

Dwarf mountain ragwort is a native perennial forb that belongs to the sunflower family. As a forb, it’s an herbaceous plant without woody stems, meaning it dies back to the ground each winter and returns fresh each spring. Don’t let the name ragwort put you off – this little beauty produces clusters of bright yellow, daisy-like flowers that bring sunshine to any garden space.

The botanical name Senecio fremontii var. occidentalis might be a mouthful, but it’s also known by the synonym Senecio fremontii ssp. occidentalis in some botanical references.

Where Does It Come From?

This charming native calls the western United States home, specifically thriving in California and Nevada. You’ll find it naturally growing in high-elevation areas, particularly in the Sierra Nevada mountains where it has adapted to challenging alpine conditions.

Why Grow Dwarf Mountain Ragwort?

There are several compelling reasons to consider this native beauty for your garden:

  • Native credentials: As a true native of the western U.S., it supports local ecosystems and requires minimal resources once established
  • Pollinator magnet: The bright yellow flowers attract butterflies, native bees, and other beneficial pollinators
  • Low maintenance: Once established, this plant is incredibly drought tolerant and requires minimal care
  • Unique character: Its compact growth habit and cheerful flowers add charm to rock gardens and naturalized areas
  • Adaptable: Thrives in challenging conditions where other plants might struggle

Perfect Garden Situations

Dwarf mountain ragwort shines in several garden settings:

  • Rock gardens: Its compact size and drought tolerance make it perfect for tucking between stones
  • Alpine gardens: Naturally adapted to high-elevation conditions
  • Native plant gardens: Fits beautifully with other western natives
  • Xeriscape designs: Excellent choice for water-wise landscaping
  • Slopes and challenging areas: Helps prevent erosion while adding color

Growing Conditions and Care

The beauty of dwarf mountain ragwort lies in its adaptability and low-maintenance nature:

Sunlight: Prefers full sun but can tolerate partial shade

Soil: Thrives in well-draining soil and actually prefers rocky, lean conditions over rich, heavy soils

Water: Once established, it’s quite drought tolerant. Avoid overwatering, which can lead to root problems

Climate: Hardy in USDA zones 4-8, making it suitable for areas with cold winters

Planting and Care Tips

Getting your dwarf mountain ragwort off to a good start is straightforward:

  • Plant in spring after the last frost danger has passed
  • Choose a location with excellent drainage – soggy soil is this plant’s enemy
  • Water regularly during the first growing season to help establish roots
  • Once established, reduce watering significantly – this plant prefers to stay on the dry side
  • No fertilization needed – rich soil can actually make the plant less hardy
  • Deadhead spent flowers to encourage more blooms

A Note on Sourcing

When adding dwarf mountain ragwort to your garden, make sure to source plants or seeds from reputable native plant nurseries. This ensures you’re getting true-to-type plants that will thrive in your specific region while supporting responsible horticultural practices.

The Bottom Line

Dwarf mountain ragwort offers gardeners a wonderful opportunity to grow a truly native plant that’s both beautiful and beneficial. Its cheerful yellow flowers, minimal care requirements, and ability to thrive in challenging conditions make it an excellent choice for anyone looking to create a more sustainable, wildlife-friendly garden. Whether you’re designing a rock garden, creating a native plant landscape, or simply want a tough perennial that can handle whatever nature throws at it, this little mountain native might just be your new favorite plant.

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