North America Native Plant

Arizona Fleabane

Botanical name: Erigeron arizonicus

USDA symbol: ERAR4

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Erigeron rusbyi A. Gray (ERRU5)   

Arizona Fleabane: A Delicate Desert Beauty for Your Native Garden Don’t let the name fool you – Arizona fleabane (Erigeron arizonicus) has nothing to do with fleas! This charming native wildflower brings delicate daisy-like blooms and effortless beauty to southwestern gardens. If you’re looking for a low-maintenance perennial that celebrates ...

Rare plant alert!

Region: Conservation status by state

Status: S3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Arizona Fleabane: A Delicate Desert Beauty for Your Native Garden

Don’t let the name fool you – Arizona fleabane (Erigeron arizonicus) has nothing to do with fleas! This charming native wildflower brings delicate daisy-like blooms and effortless beauty to southwestern gardens. If you’re looking for a low-maintenance perennial that celebrates the natural heritage of the American Southwest, this little gem might just be your new favorite plant.

What Makes Arizona Fleabane Special?

Arizona fleabane is a native perennial forb that belongs to the sunflower family. Unlike woody shrubs or trees, this plant maintains soft, herbaceous stems throughout its life. As a true southwestern native, it’s perfectly adapted to the challenging conditions of desert and semi-desert regions, making it an excellent choice for gardeners who want to work with nature rather than against it.

This species is native to Arizona, New Mexico, and Texas, where it has evolved alongside local wildlife and climate patterns for thousands of years.

Garden Appeal and Landscape Role

The real charm of Arizona fleabane lies in its delicate white to pale pink flowers, each adorned with a sunny yellow center. These daisy-like blooms appear from spring through fall, providing months of gentle color in your garden. The flowers are small but numerous, creating a soft, naturalized look that’s perfect for:

  • Native plant gardens
  • Desert and xeriscape landscapes
  • Wildflower meadows
  • Natural ground cover areas
  • Pollinator gardens

A Pollinator’s Paradise

One of the best reasons to include Arizona fleabane in your landscape is its value to pollinators. The flowers attract native bees, butterflies, and other beneficial insects that are crucial for a healthy ecosystem. By planting this native species, you’re providing food sources that local wildlife has depended on for generations.

Growing Conditions and Hardiness

Arizona fleabane thrives in USDA hardiness zones 7 through 10, making it suitable for much of the southwestern United States. This tough little plant prefers:

  • Full sun exposure
  • Well-draining soils (clay, sandy, or rocky)
  • Minimal water once established
  • Hot, dry summers

The beauty of this native plant is that it doesn’t need pampering. Once established, it’s remarkably drought tolerant and can handle the intense heat that would wilt many non-native garden plants.

Planting and Care Tips

Growing Arizona fleabane successfully is refreshingly straightforward:

  • Planting time: Fall or early spring for best establishment
  • Soil preparation: Ensure good drainage – this plant hates wet feet
  • Watering: Water regularly the first season, then reduce to occasional deep watering
  • Maintenance: Minimal pruning needed; allow plants to self-seed for natural spread
  • Fertilizing: Generally unnecessary; too much fertilizer can reduce flowering

Important Conservation Note

Arizona fleabane has a Global Conservation Status of S3?, indicating that its conservation status is somewhat uncertain. While this doesn’t mean you shouldn’t plant it, it does mean you should source your plants or seeds responsibly. Look for nurseries that specialize in native plants and can verify that their stock comes from ethical, sustainable sources rather than wild collection.

Is Arizona Fleabane Right for Your Garden?

Consider adding Arizona fleabane to your landscape if you:

  • Live in the southwestern United States
  • Want to support native pollinators and wildlife
  • Prefer low-maintenance, drought-tolerant plants
  • Enjoy naturalized, wildflower-style gardens
  • Are creating a xeriscape or desert garden

This delightful native offers the perfect combination of ecological value, low maintenance requirements, and gentle beauty. While it may not be the showiest plant in your garden, Arizona fleabane provides the kind of understated elegance that comes from plants perfectly suited to their environment. Plus, you’ll have the satisfaction of knowing you’re helping preserve a piece of America’s natural heritage right in your own backyard.

Arizona 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 arizonicus A. Gray - Arizona fleabane

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