North America Native Plant

Leafy False Goldenweed

Botanical name: Oonopsis foliosa var. foliosa

USDA symbol: OOFOF

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Haplopappus fremontii (A. Gray) Greene (HAFR2)  âš˜  Haplopappus fremontii (A. Gray) Greene ssp. typicus H.M. Hall (HAFRT)   

Leafy False Goldenweed: A Hardy Native Wildflower for Rocky Mountain Gardens If you’re looking for a tough, drought-tolerant native wildflower that can handle the challenging conditions of the Rocky Mountain region, leafy false goldenweed (Oonopsis foliosa var. foliosa) might just be the hidden gem your garden needs. This resilient perennial ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4T2T3: Status is uncertain but is somewhere between the following rankings: 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) ⚘ 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 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. ⚘ 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 ⚘

Leafy False Goldenweed: A Hardy Native Wildflower for Rocky Mountain Gardens

If you’re looking for a tough, drought-tolerant native wildflower that can handle the challenging conditions of the Rocky Mountain region, leafy false goldenweed (Oonopsis foliosa var. foliosa) might just be the hidden gem your garden needs. This resilient perennial herb brings late-season color to landscapes while supporting local pollinators.

What is Leafy False Goldenweed?

Leafy false goldenweed is a native perennial forb that belongs to the sunflower family. As a non-woody herb, it dies back to ground level each winter and emerges again in spring. You might also see this plant listed under its scientific synonyms Haplopappus fremontii in older botanical references.

This native wildflower is found naturally in Colorado and Wyoming, where it has adapted to thrive in the region’s challenging growing conditions.

Why Consider Planting Leafy False Goldenweed?

There are several compelling reasons to include this native plant in your landscape:

  • True native heritage: As a plant native to the lower 48 states, it supports local ecosystems and wildlife
  • Drought tolerance: Once established, it requires minimal watering
  • Late season interest: Provides color when many other plants are finishing their show
  • Pollinator support: The small yellow composite flowers attract native bees and butterflies
  • Low maintenance: Requires little care once established

Garden Design and Landscape Uses

Leafy false goldenweed works beautifully in several garden settings:

  • Native plant gardens: Perfect for authentic Rocky Mountain landscapes
  • Xeriscaping projects: Excellent choice for water-wise gardening
  • Rock gardens: Thrives in well-drained, rocky conditions
  • Naturalized areas: Great for creating low-maintenance wildflower meadows

Growing Conditions and Care

This hardy perennial is surprisingly easy to grow when given the right conditions:

  • Sunlight: Requires full sun for best performance
  • Soil: Prefers well-drained soils; avoid heavy, water-logged areas
  • Water: Drought tolerant once established; minimal watering needed
  • Hardiness: Suitable for USDA zones 4-7

Planting and Care Tips

Getting leafy false goldenweed established in your garden is straightforward:

  • Plant in spring or fall when temperatures are moderate
  • Space plants appropriately for their mature size
  • Water regularly the first growing season to establish roots
  • Once established, avoid overwatering as this can harm the plant
  • No fertilization is typically needed
  • Allow plants to go dormant naturally in winter

Important Considerations

Before adding leafy false goldenweed to your garden, keep these points in mind:

  • This plant may have limited availability due to its specialized native range
  • Source plants or seeds from reputable native plant nurseries
  • Avoid collecting from wild populations
  • Best suited for gardeners in or near its native Colorado and Wyoming range

The Bottom Line

Leafy false goldenweed offers Rocky Mountain gardeners a wonderful opportunity to grow a truly local native species. While it may not be the showiest plant in your garden, its drought tolerance, pollinator benefits, and authentic native status make it a valuable addition to water-wise and wildlife-friendly landscapes. Just remember to source your plants responsibly and give them the well-drained, sunny conditions they crave.

If you’re passionate about native plants and sustainable gardening practices, leafy false goldenweed deserves a spot on your planting list – your local pollinators will thank you for it!

Leafy False Goldenweed

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

Oonopsis (Nutt.) Greene - false goldenweed

Species

Oonopsis foliosa (A. Gray) Greene - leafy false goldenweed

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