Smooth Coneflower (Brauneria laevigata)

Photo: Unknown author Unknown authorPublic domainvia Wikimedia Commons

Smooth Coneflower Plant Care

Brauneria laevigata C.L.Boynton & Beadle

Updated · Sources · How we source care data

Echinacea laevigata, the smooth purple coneflower, is an Endangered Species Act federally listed endangered species of plant found in the piedmont of the eastern United States. Most populations are found on roadsides and other open areas with plenty of sunlight, often on calcium- and magnesium- rich soils.

🌱Herbs🌼Perennials🌻Annuals
Water

Every 7–10 days

Light

Full sun to partial shade

Temp

60–80°F

Humidity

40–70%

At a glance

How do you care for Smooth Coneflower?

Plant Smooth Coneflower in full sun to partial shade (USDA zones 13a) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 60–80°F (16–27°C). Fertilize it every 6 months during the growing season.

Where Is the Smooth Coneflower Native To?

Native range1 country

What Is the Smooth Coneflower?

Smooth Coneflower (Brauneria laevigata) belongs to the Asteraceae family within the Brauneria genus. Smooth Coneflower is native to the Piedmont of the eastern United States. Smooth Coneflower is also known as Smooth Oxeye, Brauneria laevigata, Echinacea purpurea.

Smooth Coneflower displays a low rosette, spreading ground cover growth habit, reaching up to 0.5 ft tall with a spread of approximately 1.5 ft. Smooth Coneflower produces small daisy-like flowers in various colors.

Leaf size: approximately 3 inches.

How Often Should You Water a Smooth Coneflower?

Water a young or newly planted Smooth Coneflower every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Watering Frequency

Every 7–10 days

Until established; then in dry spells

What Light Does the Smooth Coneflower Need?

Smooth Coneflower thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Smooth Coneflower Prefer?

Brauneria laevigata tolerates temperatures of 60–80°F. Smooth Coneflower prefers humidity levels of 40–70%.

Temperature

60–80°F

Humidity

40–70%

What Soil Mix Works Best for a Smooth Coneflower?

Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Smooth Coneflower to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Smooth Coneflower?

Feed Smooth Coneflower every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

Fertilizing

Every 6 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

Where Should You Plant a Smooth Coneflower?

Choose a spot with full sun to partial shade and well-draining loamy soil with added compost for nutrients. Avoid low spots where water collects after rain.

Smooth Coneflower is suited to USDA Zone 13a.

Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.

How Far Apart Should You Plant a Smooth Coneflower?

Smooth Coneflower can spread to about 2 ft (0.5 m) and reach about 1 ft (0 m) tall. Space plants about 2 ft (0.5 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the plant spacing calculator.

How Do You Prune a Smooth Coneflower?

Prune Smooth Coneflower while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.

How Do You Care for a Smooth Coneflower in Winter?

Smooth Coneflower is frost-tender (hardy to USDA zone 13). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

How Do You Propagate a Smooth Coneflower?

Smooth Coneflower can be propagated through seeds, division of root clumps.

Is the Smooth Coneflower Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Smooth Coneflower, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Smooth Coneflower?

Smooth Coneflower is susceptible to aphids, spider mites, whiteflies. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Smooth Coneflower Need?

Smooth Coneflower grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Smooth Coneflower is native to the Piedmont of the eastern United States. In cooler regions, grow Smooth Coneflower as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Smooth Coneflower is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Brauneria genus (family Asteraceae) — search all Brauneria species in the plant lookup.

Smooth Coneflower thrives in bright light and direct sun — see other bright-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Brauneria laevigata C.L.Boynton & Beadle, family Asteraceae (first published in Fl. S.E. U.S. [Small]. 1261. 1903 [22 Jul 1903]) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Smooth Coneflower, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Photo: Unknown author Unknown author, Public domain, Wikimedia Commons — original.
  • Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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