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Bloodworth, Stefan

Rudbeckia fulgida

Rudbeckia fulgida Aiton

Orange Coneflower, Orange Rudbeckia, Perennial Black-eyed Susan, Goldstrum

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: rufu2

USDA Native Status: L48 (N), CAN (I)

This is a perennial coneflower with yellow-orange, slightly curved petals, each toothed at its apex. The 1-4 ft. stems and scattered, oval leaves are covered with bristly hairs. Flower heads are 2-3 in. wide. Southeastern forms of this variable species have smaller flowers.

Rudbeckia fulgida is a variable species with numerous varieties.

From the Image Gallery

7 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 4 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Orange , Yellow
Bloom Time: Jul , Aug , Sep , Oct

Distribution

USA: AL , AR , CT , DC , DE , FL , GA , IL , IN , KY , MA , MD , MI , MO , MS , NC , NJ , NY , OH , OK , PA , SC , TN , TX , VA , WI , WV
Native Distribution: NJ to IN, s. to FL & e. TX
Native Habitat: Open woods; meadows; pastures

Growing Conditions

Light Requirement: Sun
Soil Moisture: Moist
Soil Description: Various soils.
Conditions Comments: Easy and trouble-free, Rudbeckia fulgida is a variable species with numerous varieties. It self-sows and produces abundant offsets.

Benefit

Attracts: Birds

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Propagation

Description: Sow seeds in fall or provide cold stratification. Can be divided.
Seed Collection: Seeds can be allowed to dry out before sowing.
Seed Treatment: This species requires or benefits from a three month period of cold moist stratification in the refrigerator.
Commercially Avail: yes

Mr. Smarty Plants says

Native wildflowers for Northern Indiana
May 08, 2007
I had the wonderful opportunity to visit the Lady Bird Johnson Wildflower Center on Saturday April 21. What a beautiful place. I thoroughly enjoyed my visit. I was wondering how I could find out w...
view the full question and answer

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:	FAC				FAC	FAC		OBL	OBL

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Native Plant Center at Westchester Community College, The - Valhalla, NY
Texas Discovery Gardens - Dallas, TX
Delaware Nature Society - Hockessin, DE
NPSOT - Williamson County Chapter - Georgetown, TX
Mt. Cuba Center - Hockessin, DE

Bibliography

Bibref 1620 - Gardening with Native Plants of the South (Reprint Edition) (2009) Wasowski, S. with A. Wasowski
Bibref 1294 - The Midwestern Native Garden: Native Alternatives to Nonnative Flowers and Plants An Illustrated Guide (2011) Adelman, Charlotte and Schwartz, Bernard L.

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Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Research Literature

Reslit 248 - Physiological mechanisms of drought resistance in four native ornamental perennials (1994) D. S. Chapman and R. M. Auge
Reslit 502 - Genetic diversity and relatedness among cultivars of stokes aster (2001) L. A. Gettys and D. J. Werner
Reslit 491 - First report of verticillium wilt caused by Verticillium dahliae on Rudbeckia fulgida (orange coneflower) in Italy (2008) A. Garibaldi, D. Bertetti and M. L. Gullino
Reslit 489 - First report of powdery mildew caused by Golovinomyces cichoracearum on orange coneflower (Rudbeckia fulgida) in Italy (2008) A. Garibaldi, D. Bertetti, S. Frati and M. L. Gull...
Reslit 488 - First Report of Leaf Spot of Orange Coneflower (Rudbeckia fulgida) Caused by a Phoma sp. in Italy (2010) A. Garibaldi, D. Bertetti, M. T. Amatulli and M. L...
Reslit 424 - Vigor testing of Rudbeckia fulgida seeds (1993) A. M. Fay, M. B. McDonald and S. M. Still
Reslit 423 - Osmotic seed priming of Rudbeckia fulgida improves germination and expands germination range (1994) A. M. Fay, M. A. Bennett and S. M. Still
Reslit 637 - Downy mildew of Rudbeckia fulgida cv. Goldsturm by Plasmopara halstedii in Virginia (2006) C. X. Hong
Reslit 773 - Performance of Turkey litter compost as a slow-release fertilizer in containerized plant production (2000) H. T. Kraus and S. L. Warren
Reslit 774 - Nitrogen form affects growth, mineral nutrient content, and root anatomy of Cotoneaster and Rudbeckia (2002) H. T. Kraus, S. L. Warren and C. E. Anderson

This information was provided by the Florida WIldflower Foundation.
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Additional resources

USDA: Find Rudbeckia fulgida in USDA Plants
FNA: Find Rudbeckia fulgida in the Flora of North America (if available)
Google: Search Google for Rudbeckia fulgida

Metadata

Record Modified: 2023-07-10
Research By: TWC Staff

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