North America Native Plant

Sandwort Daisy Fleabane

Botanical name: Erigeron bellidiastrum var. arenarius

USDA symbol: ERBEA

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Erigeron arenarius Greene (ERAR29)   

Sandwort Daisy Fleabane: A Native Wildflower for Southwest Gardens If you’re looking to add authentic native character to your southwestern landscape, sandwort daisy fleabane (Erigeron bellidiastrum var. arenarius) might just be the hidden gem you’ve been searching for. This native annual wildflower brings a touch of wild beauty to gardens ...

Sandwort Daisy Fleabane: A Native Wildflower for Southwest Gardens

If you’re looking to add authentic native character to your southwestern landscape, sandwort daisy fleabane (Erigeron bellidiastrum var. arenarius) might just be the hidden gem you’ve been searching for. This native annual wildflower brings a touch of wild beauty to gardens in New Mexico and Texas, though it remains one of the lesser-known members of the diverse fleabane family.

What Makes This Plant Special?

Sandwort daisy fleabane is a true native of the American Southwest, naturally occurring in New Mexico and Texas. As an annual forb, it completes its entire life cycle in a single growing season, making it a dynamic addition to wildflower gardens and natural landscapes. The plant belongs to the herbaceous group, meaning it lacks woody stems and maintains a soft, green structure throughout its growth.

This species is sometimes known by its botanical synonym, Erigeron arenarius Greene, which you might encounter in older botanical references or seed catalogs.

Why Consider Growing Sandwort Daisy Fleabane?

As a native plant enthusiast, here’s what draws me to this particular species:

  • True native heritage: Supporting plants that naturally belong in your region helps maintain local ecosystem integrity
  • Annual lifecycle: Provides seasonal interest and allows for garden flexibility year to year
  • Regional authenticity: Perfect for gardeners in New Mexico and Texas who want to showcase their local flora
  • Low-maintenance potential: As a native species, it’s likely adapted to local conditions once established

The Challenge: Limited Growing Information

Here’s where I need to be honest with you – sandwort daisy fleabane is something of a mystery plant when it comes to cultivation details. Unlike more popular native wildflowers, specific growing conditions, care requirements, and garden performance data for this variety are quite limited in readily available sources.

What we do know is that it’s adapted to the natural conditions found in New Mexico and Texas, which suggests it can likely handle:

  • Hot, dry summers typical of the Southwest
  • Well-draining soils
  • Variable precipitation patterns
  • Temperature fluctuations common in desert and semi-arid regions

Is This Plant Right for Your Garden?

Sandwort daisy fleabane might be perfect for you if:

  • You’re gardening in New Mexico or Texas
  • You’re passionate about growing true native species
  • You enjoy experimenting with lesser-known wildflowers
  • You’re creating a naturalized or wildflower garden
  • You want to support local ecosystems with indigenous plants

However, this plant might not be the best choice if you’re looking for guaranteed results or detailed growing guides, simply because cultivation information is currently limited.

Finding and Growing This Native Gem

If you’re intrigued by sandwort daisy fleabane, your best bet is to:

  • Contact native plant societies in New Mexico or Texas
  • Check with local botanical gardens or native plant sales
  • Look for seeds from reputable native plant suppliers
  • Connect with local naturalists who might have experience with this species

When growing any native annual wildflower, general best practices include direct seeding in fall or early spring, minimal soil amendments (natives often prefer lean soils), and patience as the plant establishes according to natural seasonal rhythms.

The Bottom Line

Sandwort daisy fleabane represents the kind of authentic native plant that can add genuine character to southwestern gardens. While we may not have all the cultivation details figured out yet, that’s part of what makes native gardening an adventure. Sometimes the most rewarding plants are those that connect us directly to our local landscapes and challenge us to garden more like nature intended.

If you’re up for a little botanical exploration and want to support true native biodiversity, this lesser-known fleabane might just surprise you with its quiet charm and resilient spirit.

Sandwort Daisy 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 bellidiastrum Nutt. - western daisy fleabane

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