North America Native Plant

Roughleaf Coneflower

Botanical name: Rudbeckia scabrifolia

USDA symbol: RUSC4

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Roughleaf Coneflower: A Hidden Gem for Southern Native Gardens Meet the roughleaf coneflower (Rudbeckia scabrifolia), a charming native wildflower that’s flying under the radar in most gardening circles. This perennial beauty might not be as famous as its black-eyed Susan cousins, but it deserves a spot in your native plant ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4: Status is uncertain but is somewhere between the following rankings: 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 ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Roughleaf Coneflower: A Hidden Gem for Southern Native Gardens

Meet the roughleaf coneflower (Rudbeckia scabrifolia), a charming native wildflower that’s flying under the radar in most gardening circles. This perennial beauty might not be as famous as its black-eyed Susan cousins, but it deserves a spot in your native plant collection—especially if you’re gardening in the Deep South.

A True Southern Native

The roughleaf coneflower is a proud native of Louisiana and Texas, making it perfectly adapted to the challenging growing conditions of the Gulf Coast region. As a perennial forb (that’s garden-speak for a non-woody herbaceous plant), it comes back year after year to brighten your landscape with its sunny disposition.

What Makes It Special?

Like other members of the Rudbeckia family, the roughleaf coneflower produces cheerful, daisy-like flowers with bright yellow petals surrounding a dark center cone. The roughleaf part of its name hints at the texture of its foliage, which likely feels a bit coarse to the touch—a common characteristic that helps many native plants survive in tough conditions.

Why Your Garden (and Local Wildlife) Will Love It

Native plants like the roughleaf coneflower are garden superstars for several reasons:

  • They’re naturally adapted to local climate and soil conditions
  • They typically require less water and maintenance once established
  • They provide food and habitat for native pollinators and wildlife
  • They help preserve regional biodiversity

While specific pollinator research on this species is limited, Rudbeckia flowers are generally beloved by bees, butterflies, and other beneficial insects. The seeds likely provide food for birds, making this a great addition to wildlife-friendly gardens.

Growing Roughleaf Coneflower Successfully

Based on its native habitat and genus characteristics, here’s what the roughleaf coneflower likely prefers:

  • Sunlight: Full sun to partial sun
  • Soil: Well-draining soil, adaptable to various soil types
  • Water: Drought-tolerant once established, typical of many Texas and Louisiana natives
  • Hardiness: Best suited for USDA zones 8-10, matching its native range

Perfect Garden Companions

The roughleaf coneflower shines in:

  • Native plant gardens
  • Wildflower meadows
  • Prairie-style landscapes
  • Low-maintenance perennial borders
  • Pollinator gardens

A Word About Conservation

Here’s something important to know: the roughleaf coneflower has a conservation status that suggests it may be uncommon in parts of its range. This makes it even more special to grow, but it also means you should be thoughtful about sourcing. Always purchase from reputable native plant nurseries that grow their plants from ethically collected seed, rather than wild-collecting plants yourself.

The Bottom Line

If you’re gardening in Louisiana or Texas and want to add a truly local native to your landscape, the roughleaf coneflower is worth seeking out. While it may take some detective work to find plants or seeds, you’ll be rewarded with a beautiful, low-maintenance perennial that supports local ecosystems while adding sunny color to your garden.

Plus, there’s something deeply satisfying about growing a plant that’s perfectly at home in your neck of the woods—no fuss, no drama, just natural beauty doing what it does best.

Roughleaf 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

Rudbeckia L. - coneflower

Species

Rudbeckia scabrifolia L.E. Brown - roughleaf coneflower

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