North America Non-native Plant

Erigeron Candidus

Botanical name: Erigeron candidus

USDA symbol: ERCA36

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

Erigeron candidus: The Mystery Fleabane If you’ve stumbled upon the name Erigeron candidus while researching native plants, you’ve encountered one of botany’s more elusive characters. This particular fleabane species presents a puzzle for both gardeners and botanists alike, as reliable information about it remains surprisingly scarce in modern botanical literature. ...

Erigeron candidus: The Mystery Fleabane

If you’ve stumbled upon the name Erigeron candidus while researching native plants, you’ve encountered one of botany’s more elusive characters. This particular fleabane species presents a puzzle for both gardeners and botanists alike, as reliable information about it remains surprisingly scarce in modern botanical literature.

What We Know (And Don’t Know)

Erigeron candidus belongs to the vast fleabane genus within the sunflower family (Asteraceae). However, unlike its well-documented cousins, this species exists in a botanical gray area. Current plant databases and taxonomic resources contain little to no verified information about its common names, native range, or growing characteristics.

The Geographic Mystery

The native range and geographical distribution of Erigeron candidus remain unclear in contemporary botanical sources. This lack of documentation makes it difficult to determine where this plant naturally occurs or whether it’s still recognized as a valid species name in current taxonomy.

A Word of Caution for Gardeners

When encountering plant names with limited documentation, it’s wise to proceed carefully. Here’s what we recommend:

  • Verify the plant identification with local botanists or extension services
  • Consider well-documented Erigeron species instead
  • Consult current taxonomic databases before making plant purchases
  • Check if the name might be an outdated synonym for another species

Better-Known Fleabane Alternatives

If you’re drawn to the fleabane genus for your native garden, consider these well-documented alternatives that offer proven benefits for pollinators and wildlife:

  • Erigeron speciosus (Showy fleabane) – gorgeous purple daisy-like flowers
  • Erigeron philadelphicus (Philadelphia fleabane) – delicate pink to white blooms
  • Erigeron annuus (Annual fleabane) – reliable self-seeding annual
  • Erigeron canadensis (Canadian horseweed) – important for butterfly larvae

Growing Fleabanes Successfully

While we can’t provide specific care instructions for Erigeron candidus, most fleabane species share similar growing preferences:

  • Full sun to partial shade
  • Well-draining soil
  • Moderate water needs once established
  • Easy propagation from seed
  • Attractive to butterflies and beneficial insects

The Bottom Line

Sometimes the most interesting plant stories are about the ones we can’t quite pin down. Erigeron candidus serves as a reminder that plant taxonomy is an evolving science, and not every name in historical literature translates to a plant you can grow in your garden today. If you’re set on adding fleabanes to your landscape, stick with the tried-and-true species that are well-documented and readily available from reputable native plant sources.

Remember: successful native gardening starts with accurate plant identification and reliable growing information. When in doubt, consult local native plant societies or botanical experts who can guide you toward species that will truly thrive in your specific location.

Erigeron Candidus

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 candidus Widder

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