North America Native Plant

Deam’s Coneflower

Botanical name: Rudbeckia fulgida var. deamii

USDA symbol: RUFUD

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Rudbeckia deamii S.F. Blake (RUDE12)   

Deam’s Coneflower: A Hidden Gem of the Great Lakes Prairie Meet Deam’s coneflower (Rudbeckia fulgida var. deamii), a delightful native wildflower that’s like finding a golden treasure in your garden. This cheerful perennial brings sunshine to late summer and fall landscapes with its bright yellow blooms and dark chocolate centers, ...

Rare plant alert!

Region: Conservation status by state

Status: S5T1T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Subspecies or variety is 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. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Deam’s Coneflower: A Hidden Gem of the Great Lakes Prairie

Meet Deam’s coneflower (Rudbeckia fulgida var. deamii), a delightful native wildflower that’s like finding a golden treasure in your garden. This cheerful perennial brings sunshine to late summer and fall landscapes with its bright yellow blooms and dark chocolate centers, proving that the best things sometimes come in small packages.

Where This Beauty Calls Home

Deam’s coneflower is a true Great Lakes native, naturally occurring in Illinois, Indiana, and Ohio. This regional specialty has adapted perfectly to the unique conditions of the area, making it an excellent choice for gardeners looking to support their local ecosystem. As a variety of the more widespread Rudbeckia fulgida, it represents the beautiful diversity found within our native plant communities.

A Rare Find Worth Protecting

Here’s something important to know: Deam’s coneflower has a conservation status that indicates it’s relatively uncommon in the wild. This makes it all the more special to grow in your garden! If you decide to add this beauty to your landscape, please ensure you’re purchasing from reputable native plant nurseries that ethically source their seeds and plants. By growing Deam’s coneflower responsibly, you’re helping preserve this regional treasure for future generations.

Why Your Garden (and Local Wildlife) Will Love It

This perennial forb is like a late-season party invitation for pollinators. When many other flowers are calling it quits for the year, Deam’s coneflower is just hitting its stride, providing crucial nectar and pollen when bees and butterflies need it most. The seeds that follow are a favorite of goldfinches and other songbirds, making your garden a wildlife hotspot well into winter.

From a design perspective, this plant is wonderfully versatile:

  • Perfect for prairie and native plant gardens
  • Excellent for naturalized areas where you want that wild meadow look
  • Great companion for other native fall bloomers
  • Adds much-needed late-season color when summer flowers are fading

Growing Deam’s Coneflower Successfully

The wonderful news is that this native beauty is relatively low-maintenance once established. Here’s what you need to know:

Growing Conditions: Deam’s coneflower thrives in full sun to partial shade and isn’t particularly fussy about soil type. It’s quite drought tolerant once its roots are established, making it perfect for gardeners who prefer a more hands-off approach.

Hardiness: This tough little plant can handle USDA zones 3-8, so it’s built to withstand the sometimes harsh Great Lakes climate.

Planting and Care Tips:

  • Plant in spring after the last frost date
  • Space plants about 18-24 inches apart
  • Water regularly the first year to help establish deep roots
  • After that, it’s quite drought tolerant
  • Cut back in late fall or leave seed heads for wildlife and winter interest
  • Divide clumps every 3-4 years if desired, though it’s not necessary

The Bottom Line

Deam’s coneflower is one of those plants that gives back far more than it asks for. It’s a low-maintenance native that supports local wildlife, provides beautiful late-season blooms, and connects your garden to the natural heritage of the Great Lakes region. Just remember to source it responsibly – this regional specialty deserves our protection and respect.

Whether you’re creating a prairie garden, adding to an existing native plant collection, or simply want a reliable perennial that blooms when others are winding down, Deam’s coneflower is a choice you won’t regret. Your local pollinators will thank you, and you’ll enjoy its sunny disposition year after year.

Deam’s 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 fulgida Aiton - orange coneflower

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