North America Native Plant

Lone Fleabane

Botanical name: Erigeron uncialis

USDA symbol: ERUN2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Lone Fleabane: A Charming Native Wildflower for Dry Gardens If you’re looking for a delightful native wildflower that thrives in challenging dry conditions, let me introduce you to lone fleabane (Erigeron uncialis). This unassuming little perennial packs a surprising punch with its cheerful daisy-like blooms and remarkable drought tolerance, making ...

Rare plant alert!

Region: Conservation status by state

Status: S3?S3S4: 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 ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Lone Fleabane: A Charming Native Wildflower for Dry Gardens

If you’re looking for a delightful native wildflower that thrives in challenging dry conditions, let me introduce you to lone fleabane (Erigeron uncialis). This unassuming little perennial packs a surprising punch with its cheerful daisy-like blooms and remarkable drought tolerance, making it a fantastic choice for water-wise gardening.

What is Lone Fleabane?

Lone fleabane is a native perennial forb—essentially a non-woody flowering plant that comes back year after year. Despite the somewhat unflattering fleabane moniker (historically, people believed these plants repelled fleas), this charming wildflower deserves a place in your garden for its beauty and ecological benefits.

As a true native of the western United States, lone fleabane naturally occurs in California, Idaho, and Nevada, where it has adapted to thrive in arid and semi-arid environments. This hardy little plant belongs to the sunflower family and produces delicate white to pale pink flowers with bright yellow centers that bloom from late spring into early summer.

Why Grow Lone Fleabane?

There are several compelling reasons to consider adding lone fleabane to your garden:

  • Water-wise gardening: Once established, this drought-tolerant native requires minimal irrigation
  • Pollinator magnet: The daisy-like flowers attract native bees, butterflies, and other beneficial insects
  • Low maintenance: Perfect for gardeners who want beautiful results without constant care
  • Native ecosystem support: Helps restore natural habitats and supports local wildlife
  • Unique aesthetic: Adds delicate texture and natural charm to rock gardens and dry landscapes

Garden Design and Landscape Use

Lone fleabane shines in specific garden settings where its natural growing conditions can be replicated. This compact, low-growing perennial works beautifully as:

  • Ground cover in rock gardens
  • Accent plant in xeriscaped landscapes
  • Naturalized drifts in native plant gardens
  • Border edging in dry garden beds
  • Container plantings with excellent drainage

The plant’s small stature and delicate flowers make it ideal for intimate garden spaces where its subtle beauty can be appreciated up close.

Growing Conditions and Care

Success with lone fleabane comes down to understanding its natural habitat preferences. This plant thrives in conditions that mimic its native western environments:

Sunlight: Full sun is essential for healthy growth and abundant flowering.

Soil: Well-drained, sandy, or gravelly soils work best. Clay soils should be amended with coarse sand or gravel to improve drainage.

Water: Drought-tolerant once established, but benefits from occasional deep watering during extended dry periods in the first year.

Climate: Suitable for USDA hardiness zones 4-8, making it adaptable to various climate conditions.

Planting and Care Tips

Getting lone fleabane established successfully requires attention to a few key details:

  • Timing: Plant in spring after the last frost when soil temperatures warm up
  • Drainage: Ensure excellent drainage—this is non-negotiable for long-term success
  • Mulching: Use gravel or decomposed granite mulch rather than organic mulches, which can retain too much moisture
  • Spacing: Allow adequate space for air circulation to prevent fungal issues
  • Fertilization: Generally unnecessary in most soils; over-fertilization can actually reduce flowering

Important Conservation Note

Before adding lone fleabane to your garden, it’s important to know that this species has an uncertain conservation status. If you decide to grow this beautiful native, please source your plants or seeds from reputable native plant nurseries that practice ethical collection methods. Never collect plants from wild populations, as this can further stress already vulnerable species.

Is Lone Fleabane Right for Your Garden?

Lone fleabane is an excellent choice if you’re creating a water-wise garden, supporting native pollinators, or simply want to try something different from typical garden center offerings. However, it may not be the best fit if you have heavy clay soil, prefer lush green gardens, or live in areas with high humidity and poor drainage.

This charming native wildflower rewards gardeners who can provide the right growing conditions with delicate beauty, ecological benefits, and the satisfaction of growing a truly special plant. With proper care and responsibly sourced material, lone fleabane can be a wonderful addition to your native plant collection.

Lone 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 uncialis S.F. Blake - lone fleabane

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