North America Native Plant

Bitter Fleabane

Botanical name: Erigeron acris politus

USDA symbol: ERACP2

Life cycle: biennial

Habit: forb

Native status: Native to Alaska âš˜ Native to the lower 48 states  

Synonyms: Erigeron acris L. var. asteroides (Andrz. ex Besser) DC. (ERACA2)  âš˜  Erigeron droebachensis O.F. Müll. (ERDR)  âš˜  Erigeron elongatus Ledeb. (EREL14)  âš˜  Erigeron politus Fr. (ERPO82)  âš˜  Trimorpha acris (L.) Gray var. asteroides (Andrz. ex Besser) G.L. Nesom (TRACA)  âš˜  Trimorpha elongata (Ledeb.) Vierh. (TREL15)   

Bitter Fleabane: A Hardy Native Wildflower for Northern Gardens If you’re looking for a resilient native wildflower that can handle tough conditions while supporting local ecosystems, bitter fleabane (Erigeron acris politus) might just be the unassuming hero your garden needs. Don’t let the somewhat unfortunate common name fool you – ...

Bitter Fleabane: A Hardy Native Wildflower for Northern Gardens

If you’re looking for a resilient native wildflower that can handle tough conditions while supporting local ecosystems, bitter fleabane (Erigeron acris politus) might just be the unassuming hero your garden needs. Don’t let the somewhat unfortunate common name fool you – this charming member of the aster family has more to offer than its moniker suggests.

What Is Bitter Fleabane?

Bitter fleabane goes by several names, including bitter daisy and blue fleabane, reflecting its daisy-like appearance and sometimes bluish-tinged flowers. As a native North American wildflower, this herbaceous plant (technically called a forb) lacks woody stems but makes up for it with remarkable adaptability. Depending on growing conditions, it can behave as an annual, biennial, or perennial, giving it flexibility that many gardeners appreciate.

Where Does It Call Home?

This hardy native has an impressive range across northern and western North America. You’ll find bitter fleabane growing naturally in Alaska, Colorado, Idaho, Maine, Michigan, Minnesota, Montana, South Dakota, Washington, and Wyoming. This wide distribution hints at its adaptability to various climates and conditions.

Why Consider Bitter Fleabane for Your Garden?

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

  • Native plant benefits: As a true native, it supports local ecosystems and wildlife that have evolved alongside it
  • Low maintenance: Once established, native plants typically require less water, fertilizer, and pest control
  • Adaptability: Its flexible life cycle means it can adjust to your garden’s specific conditions
  • Naturalizing potential: Perfect for wildflower meadows, prairie restorations, or naturalized garden areas

Garden Design and Landscape Role

Bitter fleabane works beautifully in several garden settings:

  • Native plant gardens: An excellent choice for authentic regional plantings
  • Wildflower meadows: Adds texture and seasonal interest to naturalized areas
  • Rock gardens: Its hardy nature makes it suitable for challenging growing conditions
  • Prairie restorations: Helps recreate authentic grassland ecosystems
  • Cottage gardens: Provides a wild, informal element among more cultivated plants

Growing Conditions and Care

While specific growing requirements for Erigeron acris politus can vary, most fleabanes in this group are notably undemanding. Based on its natural range, this species likely thrives in:

  • Full sun to partial shade conditions
  • Well-draining soils (avoiding consistently wet conditions)
  • USDA hardiness zones that correspond to its native range (likely zones 2-7)
  • Areas with moderate to low fertility soil

Planting and Care Tips

Getting bitter fleabane established in your garden should be straightforward:

  • Seed starting: Direct sow seeds in fall for spring germination, mimicking natural cycles
  • Soil preparation: Avoid over-enriching the soil – native plants often prefer lean conditions
  • Watering: Water during establishment, then rely on natural rainfall for mature plants
  • Maintenance: Minimal care needed once established; deadhead for tidier appearance if desired
  • Spacing: Allow room for natural spreading if growing as a perennial

Wildlife and Pollinator Benefits

Like many members of the aster family, bitter fleabane likely provides valuable resources for native insects and other wildlife. Its flowers typically attract various pollinators, and its seeds may provide food for birds, though specific wildlife relationships for this particular species would benefit from local observation and documentation.

Is Bitter Fleabane Right for Your Garden?

Consider bitter fleabane if you:

  • Live within its native range and want to support local ecosystems
  • Prefer low-maintenance, drought-tolerant plants
  • Are creating naturalized or wildflower garden areas
  • Want to attract native pollinators and wildlife
  • Enjoy the informal charm of native wildflowers

However, it might not be the best choice if you prefer formal garden designs or need plants with showy, long-lasting blooms for ornamental displays.

The Bottom Line

Bitter fleabane represents the quiet beauty of native plants – unassuming perhaps, but ecologically valuable and surprisingly adaptable. For gardeners in its native range looking to create more sustainable, wildlife-friendly landscapes, this hardy native deserves consideration. While it may not win any beauty contests, it earns its keep through resilience, ecological benefits, and the satisfaction that comes from growing plants that truly belong in your local environment.

Remember to source your plants or seeds from reputable native plant nurseries to ensure you’re getting true-to-type specimens that will thrive in your specific growing conditions.

Bitter 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 acris L. - bitter fleabane

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