North America Native Plant

Marysvale Fleabane

Botanical name: Erigeron nauseosus

USDA symbol: ERNA6

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Marysvale Fleabane: A Mysterious Native Wildflower Worth Knowing Meet Marysvale fleabane (Erigeron nauseosus), a lesser-known member of the diverse fleabane family that calls the American Southwest home. While this native perennial might not be the showiest plant in your garden center, it represents an intriguing piece of our regional flora ...

Marysvale Fleabane: A Mysterious Native Wildflower Worth Knowing

Meet Marysvale fleabane (Erigeron nauseosus), a lesser-known member of the diverse fleabane family that calls the American Southwest home. While this native perennial might not be the showiest plant in your garden center, it represents an intriguing piece of our regional flora that deserves a closer look.

Where You’ll Find This Native Gem

Marysvale fleabane is a true native of the lower 48 states, specifically calling Nevada and Utah home. This limited geographic range makes it a special plant for gardeners in these areas who want to grow something truly local to their region.

What Makes It Tick

As a perennial forb, Marysvale fleabane is built to last. Unlike woody shrubs or trees, this herbaceous plant lacks significant woody tissue above ground, but don’t let that fool you – it’s perfectly designed to return year after year from its underground parts. Think of it as nature’s way of playing it safe in harsh climates.

The Challenge with Growing Marysvale Fleabane

Here’s where things get interesting (and a bit frustrating for us plant nerds): reliable information about growing Marysvale fleabane is surprisingly scarce. This could mean a few things:

  • It might be a rare species that’s not commonly cultivated
  • It could have very specific growing requirements that make it tricky to grow
  • It may simply be under-studied compared to showier native plants

Should You Plant It?

If you’re a gardener in Nevada or Utah who loves native plants and enjoys a good horticultural challenge, Marysvale fleabane could be worth seeking out. However, given the limited information available, here are some important considerations:

  • Only source plants from reputable native plant nurseries
  • Make sure any plants you purchase are ethically propagated, not wild-collected
  • Start small to see how it performs in your specific conditions
  • Connect with local native plant societies for growing tips

Better-Known Native Alternatives

While you’re hunting for Marysvale fleabane, consider these better-documented native alternatives that might be easier to find and grow:

  • Desert fleabane (Erigeron divergens) – more widely available with similar characteristics
  • Spreading fleabane (Erigeron flagellaris) – great for naturalized areas
  • Other regional Erigeron species with better cultivation information

The Bottom Line

Marysvale fleabane represents the fascinating complexity of our native flora – not every plant is a well-documented garden superstar, but each has its place in the ecosystem. If you’re drawn to rare natives and don’t mind some trial and error, this could be an interesting addition to a specialized native plant collection. Just remember to source responsibly and be prepared for some experimentation in your growing approach.

Sometimes the most rewarding gardening experiences come from working with plants that don’t have all the answers spelled out in tidy care guides. Marysvale fleabane might just be one of those plants that teaches you as much as you teach it about thriving in your particular corner of the world.

Marysvale 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 nauseosus (M.E. Jones) A. Nelson - Marysvale fleabane

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