Native Plants

Gorge Fleabane

Erigeron oreganus

USDA symbol: EROR2

perennial forb

Lower 48 states: native

If you’re passionate about native plants and conservation, you’ve probably never heard of gorge fleabane (Erigeron oreganus). This unassuming little wildflower might not win any beauty contests, but it’s got a story that makes it one of the most interesting plants you could add to your garden—if you can find ...

Gorge Fleabane may be listed as rare in your area.
Global Conservation Status

Status: S3 | Vulnerable: Found only in a restricted range (even if abundant at some locations). Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals.

Gorge Fleabane: A Rare Pacific Northwest Native Worth Protecting

If you’re passionate about native plants and conservation, you’ve probably never heard of gorge fleabane (Erigeron oreganus). This unassuming little wildflower might not win any beauty contests, but it’s got a story that makes it one of the most interesting plants you could add to your garden—if you can find it responsibly sourced, that is.

What Makes Gorge Fleabane Special?

Gorge fleabane is what botanists call a forb—basically a non-woody flowering plant that comes back year after year. Think of it as the wildflower equivalent of your favorite perennial, but with a much more exclusive address. This little plant has made its home exclusively in the Columbia River Gorge region, spanning parts of Oregon and Washington.

  • Species observed
  • No observations

The plant produces charming daisy-like flowers with white to pale pink petals surrounding bright yellow centers. While individually small, these blooms cluster together to create a delicate display during the summer months. The overall effect is subtle but undeniably charming—perfect for gardeners who appreciate understated beauty.

A Conservation Success Story in Your Garden

Here’s where things get serious: gorge fleabane has a Global Conservation Status of S3, which means it’s considered vulnerable. With typically only 21 to 100 occurrences and between 3,000 to 10,000 individuals in the wild, this plant is genuinely rare. But here’s the exciting part—you can actually help with conservation efforts by growing it in your garden, as long as you source your plants responsibly.

Important: Only purchase gorge fleabane from reputable native plant nurseries that propagate their own stock. Never collect from the wild, and always verify that your source is legitimate.

Growing Gorge Fleabane Successfully

Don’t let its rarity fool you into thinking gorge fleabane is impossibly difficult to grow. Like many Pacific Northwest natives, it just has specific preferences:

  • Drainage is everything: This plant absolutely must have well-draining, rocky soil. Think sharp drainage rather than moist garden bed.
  • Light requirements: Full sun to partial shade works well
  • Water needs: Minimal once established—overwatering is more likely to kill it than drought
  • Climate zones: Hardy in USDA zones 5-8

Perfect Garden Situations

Gorge fleabane isn’t your typical border perennial. It shines in specialized settings:

  • Rock gardens where drainage is naturally excellent
  • Native plant collections focusing on Pacific Northwest species
  • Xerophytic (dry) garden areas
  • Slopes with good drainage

Wildlife and Pollinator Benefits

While small, gorge fleabane’s flowers are perfectly sized for native bees and other beneficial insects. By growing this rare native, you’re providing habitat for pollinators while supporting biodiversity. It’s like having a tiny nature preserve in your backyard.

The Bottom Line

Should you grow gorge fleabane? If you’re committed to native plant gardening, have the right growing conditions, and can source plants responsibly, absolutely. You’ll be participating in conservation while supporting local pollinators and adding a truly unique plant to your collection.

Just remember: with great rarity comes great responsibility. Make sure your purchase supports conservation rather than collection pressure on wild populations. Your garden can become part of the solution for preserving this remarkable little Pacific Northwest native.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Asterales
Family: Asteraceae Bercht. & J. Presl - Aster family
Genus: Erigeron L. - fleabane

Species: Erigeron oreganus A. Gray - gorge fleabane

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