North America Native Plant

Philadelphia Fleabane

Botanical name: Erigeron philadelphicus

USDA symbol: ERPH

Life cycle: biennial

Habit: forb

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

Philadelphia Fleabane: A Charming Native Wildflower for Every Garden Don’t let the name fool you – Philadelphia fleabane (Erigeron philadelphicus) has nothing to do with fleas and everything to do with delicate beauty! This charming native wildflower brings a cottage garden feel to any landscape with its abundance of small, ...

Philadelphia Fleabane: A Charming Native Wildflower for Every Garden

Don’t let the name fool you – Philadelphia fleabane (Erigeron philadelphicus) has nothing to do with fleas and everything to do with delicate beauty! This charming native wildflower brings a cottage garden feel to any landscape with its abundance of small, white daisy-like blooms that dance in the breeze from spring through summer.

A True North American Native

Philadelphia fleabane is a proud native son of North America, naturally occurring throughout Canada and all lower 48 states. This remarkable geographic distribution spans from Alberta to Alabama, from California to Nova Scotia, and everywhere in between – making it one of the most widely distributed native plants on the continent!

What Makes Philadelphia Fleabane Special

This delightful forb (that’s gardener-speak for a non-woody flowering plant) grows as either a biennial or perennial, reaching about 2.8 feet tall at maturity. Its semi-erect growth habit creates an airy, naturalistic appearance that works beautifully in informal garden settings.

The real showstopper is the flowers – masses of small white blooms with thread-like petals radiating from bright yellow centers. These appear during the active growing period of spring and summer, creating a cloud-like effect that pollinators absolutely adore.

Perfect Garden Roles

Philadelphia fleabane shines in several garden situations:

  • Wildflower meadows and naturalized areas
  • Cottage-style gardens for a romantic, informal look
  • Rain gardens and areas with variable moisture
  • Mixed perennial borders as a delicate filler plant
  • Pollinator gardens to support beneficial insects

Growing Conditions and Care

This adaptable native is surprisingly easy to please, thriving in USDA hardiness zones 2-8. Here’s what Philadelphia fleabane prefers:

Soil: Adapts well to fine and medium-textured soils with a pH range of 4.8 to 7.8. It appreciates fertile soil but isn’t overly fussy.

Moisture: Prefers consistent moisture but isn’t drought tolerant. This makes it perfect for areas that receive regular rainfall or supplemental watering.

Light: Tolerates intermediate shade, making it versatile for various garden spots.

Climate: Needs at least 110 frost-free days and handles precipitation ranging from 18 to 55 inches annually.

Wetland Flexibility

One of Philadelphia fleabane’s superpowers is its adaptability to different moisture conditions. Depending on your region, it can thrive in both wetland and upland sites. In the Midwest, it typically prefers wetter conditions, while in western regions, it’s more commonly found in drier upland areas.

Planting and Propagation

Good news for budget-conscious gardeners – Philadelphia fleabane is routinely available commercially and easy to start from seed! With an impressive 3 million seeds per pound, a little goes a long way.

  • Seeds can be direct-sown in spring
  • No cold stratification required
  • Seedlings show medium vigor
  • Plants have a moderate growth rate
  • Self-seeds readily for natural colony expansion

Wildlife and Pollinator Benefits

Philadelphia fleabane is a pollinator magnet, attracting bees, butterflies, and other beneficial insects with its abundant nectar and pollen. The extended bloom period from mid-spring through summer provides consistent food sources when many pollinators are most active.

Is Philadelphia Fleabane Right for Your Garden?

This native beauty is an excellent choice if you want:

  • A low-maintenance, native alternative to non-native daisies
  • Extended seasonal interest with a moderate growth rate
  • Natural pollinator support in your landscape
  • A plant that can handle variable moisture conditions
  • Something that self-seeds for a naturalistic effect

Keep in mind that Philadelphia fleabane has a relatively short lifespan and doesn’t tolerate drought well, so it’s best suited for gardeners who can provide consistent moisture or live in naturally wetter climates.

The Bottom Line

Philadelphia fleabane proves that native plants can be both beautiful and practical. With its delicate flowers, pollinator appeal, and remarkable adaptability across North America, it’s a wonderful addition to any garden focused on supporting local ecosystems while maintaining that charming, cottage garden aesthetic we all love.

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

Arid West

FACU

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

Atlantic and Gulf Coastal Plain

FAC

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

Eastern Mountains and Piedmont

FACU

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

Great Plains

FAC

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

Midwest

FACW

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

Northcentral & Northeast

FAC

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

Western Mountains, Valleys, and Coast

FACU

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

Philadelphia 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 philadelphicus L. - Philadelphia fleabane

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