North America Non-native Plant

Fleabane

Botanical name: Erigeron oxyodontus

USDA symbol: EROX4

Native status: Not native but doesn't reproduce and persist in the wild

Fleabane (Erigeron oxyodontus): A Lesser-Known Native Wildflower If you’ve been diving deep into the world of native plants, you might have stumbled across the name Erigeron oxyodontus, commonly known as fleabane. This member of the vast Erigeron genus is one of those plants that keeps a relatively low profile in ...

Fleabane (Erigeron oxyodontus): A Lesser-Known Native Wildflower

If you’ve been diving deep into the world of native plants, you might have stumbled across the name Erigeron oxyodontus, commonly known as fleabane. This member of the vast Erigeron genus is one of those plants that keeps a relatively low profile in the gardening world, and for good reason – information about this particular species is surprisingly scarce!

What We Know About This Fleabane

Erigeron oxyodontus belongs to the large fleabane family, a group of plants known for their daisy-like flowers and hardy nature. The name fleabane comes from the historical belief that these plants could repel fleas – though we can’t vouch for their effectiveness as natural pest control!

Like other members of its genus, this fleabane likely produces small, daisy-like flowers that are beloved by pollinators. The Erigeron family is generally known for being tough, adaptable plants that can handle various growing conditions.

The Mystery of Its Origins

Here’s where things get a bit fuzzy – the specific native range and distribution of Erigeron oxyodontus isn’t well-documented in readily available resources. This could mean it’s either a very localized species, possibly rare, or that it may be synonymous with another more commonly recognized fleabane species.

Should You Grow It?

Given the limited information available about this specific fleabane, we’d recommend proceeding with caution. Here’s what to consider:

  • Check with your local native plant society or extension office to confirm if this species is truly native to your area
  • Verify that any plant material you’re considering is responsibly sourced
  • Consider well-documented fleabane alternatives that are known to be native to your region

General Fleabane Growing Tips

If you do decide to grow Erigeron oxyodontus, you can likely follow general fleabane care guidelines:

  • Provide well-draining soil – most fleabanes don’t like wet feet
  • Choose a sunny location for best flowering
  • These plants are typically drought-tolerant once established
  • Deadhead spent flowers to encourage continued blooming

Better-Known Alternatives

If you’re drawn to fleabanes but want something with better documentation, consider looking into other Erigeron species that are well-established in cultivation and known to be native to your specific region. Your local native plant nursery can point you toward fleabanes that are proven performers in your area.

The Bottom Line

Erigeron oxyodontus represents one of those intriguing botanical mysteries – a plant with a name but limited available growing information. While we love the idea of growing every native species possible, sometimes the most responsible approach is to stick with well-documented natives until more information becomes available. If you’re determined to grow this particular fleabane, make sure to work with reputable native plant sources and confirm its native status in your area first.

Fleabane

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

Erigeron L. - fleabane

Species

Erigeron oxyodontus Lunell - fleabane

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