North America Native Plant

Smooth Purple Coneflower

Botanical name: Echinacea laevigata

USDA symbol: ECLA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Echinacea purpurea (L.) Moench var. laevigata (C.L. Boynt. & Beadle) Cronquist (ECPUL2)   

Smooth Purple Coneflower: A Rare Native Beauty Worth Protecting If you’re looking for a native wildflower that’s both stunning and ecologically important, the smooth purple coneflower (Echinacea laevigata) might just be your holy grail. But here’s the catch – this gorgeous perennial is one of our most endangered native plants, ...

Rare plant alert!

Region: United States

Status: S2S3: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ 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 ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: United States

Smooth Purple Coneflower: A Rare Native Beauty Worth Protecting

If you’re looking for a native wildflower that’s both stunning and ecologically important, the smooth purple coneflower (Echinacea laevigata) might just be your holy grail. But here’s the catch – this gorgeous perennial is one of our most endangered native plants, making it a true treasure for those lucky enough to grow it responsibly.

What Makes Smooth Purple Coneflower Special?

This native perennial belongs to the sunflower family and creates quite the show in the garden. Picture classic purple-pink daisy-like blooms with prominent dark central cones that seem to glow in the summer sun. The flowers appear from mid-summer through fall, and if you’re patient enough to let them go to seed, you’ll be rewarded with attractive seed heads that add winter interest to your garden.

As a forb (essentially a non-woody flowering plant), smooth purple coneflower grows as an herbaceous perennial, meaning it dies back to the ground each winter and returns reliably each spring in zones 6-9.

Where Does It Call Home?

Smooth purple coneflower is native to the southeastern United States, naturally occurring in Alabama, Georgia, North Carolina, Pennsylvania, South Carolina, and Virginia. It’s perfectly adapted to the climate and growing conditions of these regions, making it an excellent choice for gardeners in these areas who want to support local ecosystems.

A Word of Caution: This Plant is Endangered

Here’s where things get serious, folks. Echinacea laevigata is federally listed as endangered in the United States, with a global conservation status that reflects its precarious situation in the wild. This means if you want to add this beauty to your garden, you absolutely must source it responsibly from reputable native plant nurseries that propagate their own stock – never collect from the wild.

The silver lining? By growing this species in your garden, you’re actually helping conservation efforts by maintaining genetic diversity and providing habitat for the pollinators that depend on it.

Garden Design and Landscape Uses

Smooth purple coneflower shines in several garden settings:

  • Native plant gardens where it can mingle with other southeastern natives
  • Pollinator gardens where bees and butterflies will thank you profusely
  • Prairie-style plantings for a naturalistic look
  • Wildlife gardens where birds will feast on the seeds
  • Restoration projects in appropriate regions

Wildlife Benefits That’ll Make Your Garden Buzz

This isn’t just a pretty face – smooth purple coneflower is a pollinator magnet. Bees, butterflies, and other beneficial insects flock to its nectar-rich blooms throughout the growing season. Come fall and winter, goldfinches and other seed-eating birds will visit regularly to harvest the nutritious seeds from those persistent seed heads.

Growing Conditions and Care

The good news is that once established, smooth purple coneflower is relatively low-maintenance. Here’s what it needs to thrive:

  • Sunlight: Full sun to partial shade (at least 6 hours of direct sunlight preferred)
  • Soil: Well-draining soils are essential – it particularly loves sandy or rocky soils
  • Water: Drought tolerant once established, but appreciates regular water during its first growing season
  • pH: Adaptable to a range of soil pH levels

Its wetland status as facultative upland means it typically prefers non-wetland conditions but can tolerate some moisture – just don’t plant it in consistently soggy soil.

Planting and Care Tips

Ready to welcome this rare beauty into your garden? Here’s how to give it the best start:

  • Plant in spring after the last frost date
  • Space plants 12-18 inches apart to allow for mature spread
  • Water regularly during the first year to help establish a strong root system
  • Deadhead spent blooms if you want continuous flowering, or leave them for wildlife to enjoy
  • Minimal fertilization needed – too much can actually reduce flowering
  • Cut back to ground level in late winter before new growth emerges

The Bottom Line

Growing smooth purple coneflower is more than just adding a beautiful plant to your garden – it’s participating in conservation. This endangered native offers stunning blooms, supports crucial pollinators, and connects you to the natural heritage of the southeastern United States. Just remember: only purchase from reputable sources that propagate their own plants, and you’ll be doing your part to ensure future generations can enjoy this remarkable wildflower.

If you can’t find responsibly sourced smooth purple coneflower, consider its more common cousin, purple coneflower (Echinacea purpurea), which offers similar benefits and is much more widely available.

Smooth Purple Coneflower

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

Echinacea Moench - purple coneflower

Species

Echinacea laevigata (C.L. Boynt. & Beadle) S.F. Blake - smooth purple coneflower

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