North America Native Plant

Bitter Fleabane

Botanical name: Erigeron acris debilis

USDA symbol: ERACD2

Life cycle: biennial

Habit: forb

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

Synonyms: Erigeron acris auct. non L. p.p. (ERAC9)  âš˜  Erigeron acris L. var. debilis A. Gray (ERACD6)  âš˜  Erigeron angulosus Gaudin ssp. debilis (A. Gray) Piper (ERAND2)  âš˜  Erigeron debilis (A. Gray) Rydb. (ERDE12)  âš˜  Erigeron jucundus Greene (ERJU)  âš˜  Erigeron nivalis Nutt. (ERNI6)  âš˜  Trimorpha acris auct. non (L.) Gray p.p. (TRAC3)  âš˜  Trimorpha acris (L.) Gray var. debilis (A. Gray) G.L. Nesom (TRACD)   

Bitter Fleabane: A Hardy Native Wildflower for Low-Maintenance Gardens Meet bitter fleabane (Erigeron acris debilis), a charming native wildflower that’s been quietly beautifying North American landscapes for centuries. Don’t let the somewhat unflattering name fool you – this delicate daisy-like flower is anything but bitter when it comes to adding ...

Bitter Fleabane: A Hardy Native Wildflower for Low-Maintenance Gardens

Meet bitter fleabane (Erigeron acris debilis), a charming native wildflower that’s been quietly beautifying North American landscapes for centuries. Don’t let the somewhat unflattering name fool you – this delicate daisy-like flower is anything but bitter when it comes to adding natural beauty to your garden!

Also known as bitter daisy or blue fleabane, this resilient little plant belongs to the aster family and offers gardeners an excellent choice for creating sustainable, wildlife-friendly landscapes with minimal fuss.

Where Bitter Fleabane Calls Home

Bitter fleabane is a true North American native, naturally occurring across an impressive range from Alaska down to New Mexico. You’ll find this adaptable plant thriving in Alberta, British Columbia, Alaska, California, Colorado, Saskatchewan, Yukon, Northwest Territories, Idaho, Montana, New Mexico, Oregon, Utah, Washington, and Wyoming.

This extensive native range tells us something important: bitter fleabane is incredibly adaptable and well-suited to various climatic conditions across the continent.

What Makes Bitter Fleabane Special

Bitter fleabane is what botanists call a forb – essentially a non-woody flowering plant that can live as an annual, biennial, or perennial depending on growing conditions. What makes this plant particularly interesting is its flexibility in lifespan, adapting its growth cycle to local environmental conditions.

The flowers are small but numerous, featuring white to pale pink petals surrounding bright yellow centers. While individual blooms might be modest in size, they appear in clusters that create a lovely cloud-like effect when the plant is in full flower.

Why Your Garden Will Love Bitter Fleabane

There are several compelling reasons to consider adding bitter fleabane to your landscape:

  • Native plant benefits: As a true native, it supports local ecosystems and requires less water and maintenance than non-native alternatives
  • Pollinator magnet: The small flowers attract a variety of beneficial insects, including native bees and flies
  • Low maintenance: Once established, bitter fleabane is remarkably drought tolerant and self-sufficient
  • Versatile growing conditions: Thrives in both wetland and upland environments
  • Extended growing season: Hardy in USDA zones 3-8, making it suitable for most temperate regions

Perfect Garden Spots for Bitter Fleabane

This adaptable wildflower works beautifully in several garden styles:

  • Native plant gardens: An authentic choice for recreating natural prairie or meadow environments
  • Rock gardens: Its compact growth habit and drought tolerance make it ideal for rocky, well-drained areas
  • Naturalized meadows: Perfect for creating low-maintenance wildflower areas
  • Pollinator gardens: Provides nectar and pollen for beneficial insects
  • Xeriscaping: Excellent for water-wise landscaping once established

Growing Bitter Fleabane Successfully

One of bitter fleabane’s greatest assets is its easygoing nature. Here’s how to give it the best start:

Light Requirements: Prefers full sun but tolerates partial shade. More sun typically means more flowers.

Soil Needs: Not fussy about soil type but insists on good drainage. It can handle everything from sandy to rocky soils.

Watering: Water regularly during establishment, then step back and let nature take over. This plant is remarkably drought tolerant once its roots are established.

Planting Tips: Seeds can be direct sown in fall or spring. The plant often self-seeds, so you might find pleasant surprises popping up in subsequent years.

A Note About Wetland Adaptability

Interestingly, bitter fleabane shows different moisture preferences depending on your location. In Alaska, it typically prefers drier upland sites, while in the Arid West and Western Mountains regions, it’s equally happy in both wet and dry conditions. This flexibility makes it an excellent choice for gardeners dealing with variable moisture conditions.

The Bottom Line

Bitter fleabane might not win any awards for flashy blooms, but it’s a stellar performer when you want reliable, native beauty with minimal maintenance. Its ability to support pollinators while asking for very little in return makes it a wise choice for sustainable gardening.

Whether you’re creating a dedicated native plant garden, adding to a pollinator paradise, or simply want a hardy perennial that can handle neglect with grace, bitter fleabane deserves serious consideration. Sometimes the most humble plants turn out to be the most valuable garden companions!

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Alaska

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Arid West

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Western Mountains, Valleys, and Coast

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

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