North America Native Plant

Bioletti’s Fleabane

Botanical name: Erigeron biolettii

USDA symbol: ERBI7

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Erigeron inornatus (A. Gray) A. Gray var. biolettii (Greene) Jeps. (ERINB)   

Bioletti’s Fleabane: A Charming California Native for Your Garden If you’re looking to add authentic California character to your native garden, Bioletti’s fleabane (Erigeron biolettii) might just be the unsung hero you’ve been searching for. This delightful perennial brings all the charm of wild meadows right to your backyard, complete ...

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 ⚘

Bioletti’s Fleabane: A Charming California Native for Your Garden

If you’re looking to add authentic California character to your native garden, Bioletti’s fleabane (Erigeron biolettii) might just be the unsung hero you’ve been searching for. This delightful perennial brings all the charm of wild meadows right to your backyard, complete with cheerful daisy-like blooms and an easygoing nature that’ll make you wonder why more gardeners aren’t growing it.

What Exactly Is Bioletti’s Fleabane?

Bioletti’s fleabane is a native California perennial that belongs to the sunflower family. Don’t let the name fleabane put you off – it’s simply an old-fashioned term referring to the plant’s historical use as a natural insect repellent. This herbaceous perennial grows as a forb, meaning it’s a non-woody flowering plant that dies back to ground level each winter and returns with fresh growth in spring.

You might also encounter this plant listed under its synonym, Erigeron inornatus var. biolettii, in some older botanical references, but Erigeron biolettii is the currently accepted name.

Where Does Bioletti’s Fleabane Call Home?

This California endemic is found exclusively in the Golden State, making it a true local specialty. It’s particularly at home in the North Coast and Bay Area regions, where it has adapted to the Mediterranean climate and unique soil conditions that make California such a biodiversity hotspot.

Why Consider Bioletti’s Fleabane for Your Garden?

There are several compelling reasons to give this native charmer a spot in your landscape:

  • Authentic native appeal: As a true California native, it supports local ecosystems and requires minimal resources once established
  • Pollinator magnet: The small, daisy-like flowers with white to pale pink petals and bright yellow centers attract native bees, butterflies, and other beneficial insects
  • Low maintenance: Once established, it’s remarkably drought-tolerant and requires little fussing
  • Extended bloom season: Provides flowers over a long period, giving pollinators a reliable nectar source
  • Natural garden style: Perfect for creating that effortless, wildflower meadow look

A Word of Caution: Rarity Considerations

Before you rush out to find seeds, it’s important to know that Bioletti’s fleabane has an uncertain conservation status (listed as S3?), which means botanists aren’t entirely sure how common or rare it might be. If you decide to grow this species, please make sure you source seeds or plants from reputable native plant nurseries that practice ethical collection methods. Never collect from wild populations.

Perfect Garden Settings

Bioletti’s fleabane shines in several garden scenarios:

  • Native plant gardens: A natural choice for authentic California landscapes
  • Drought-tolerant gardens: Excellent for water-wise landscaping
  • Pollinator gardens: Provides important nectar resources for native insects
  • Naturalized areas: Perfect for creating wild meadow effects
  • Coastal gardens: Well-adapted to coastal California conditions

Growing Conditions and Care

Like many California natives, Bioletti’s fleabane appreciates conditions that mimic its natural habitat:

  • Sunlight: Thrives in full sun to partial shade
  • Soil: Prefers well-draining soils; avoid heavy clay or constantly wet conditions
  • Water: Drought-tolerant once established, but appreciates occasional deep watering during extended dry spells
  • Climate zones: Best suited for USDA zones 8-10, matching California’s Mediterranean climate

Planting and Care Tips

Getting Bioletti’s fleabane established in your garden is straightforward:

  • Timing: Plant in fall for best establishment, allowing roots to develop during the rainy season
  • Spacing: Allow adequate space for the plant to spread naturally
  • Initial care: Provide regular water the first year while the plant establishes its root system
  • Long-term maintenance: Once established, this is a low-maintenance plant that thrives on benign neglect
  • Pruning: Deadhead spent flowers to encourage continued blooming, or leave them for seed production and wildlife

The Bottom Line

Bioletti’s fleabane offers California gardeners a wonderful opportunity to grow a true local native that supports wildlife while requiring minimal resources. Its cheerful flowers, easygoing nature, and authentic native status make it a valuable addition to any native plant garden. Just remember to source it responsibly given its uncertain conservation status, and you’ll be rewarded with a charming plant that embodies the spirit of California’s wild landscapes.

Whether you’re creating a dedicated native garden or simply want to add some local character to your landscape, Bioletti’s fleabane proves that sometimes the most rewarding plants are the ones that have been quietly thriving in your own backyard all along.

Bioletti’s 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 biolettii Greene - Bioletti's fleabane

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