Native Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

Search native plant database:

Rudbeckia subtomentosa (Sweet coneflower)
Wasowski, Sally and Andy

Rudbeckia subtomentosa

Rudbeckia subtomentosa Pursh

Sweet coneflower, Sweet black-eyed Susan

Asteraceae (Aster Family)


USDA Symbol: rusu

USDA Native Status: L48 (N)

1-4 ft. stems with downy, oval leaves. Bright-yellow ray flowers surround a center of dark disk flowers.


Plant Characteristics

Duration: Perennial
Habit: Herb
Size Class: 3-6 ft.

Bloom Information

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


USA: AR , CT , IA , IL , IN , KS , KY , LA , MA , MO , MS , NC , NY , OK , TN , TX , WI
Native Distribution: IN to LA, w. to WI, IA & OK
Native Habitat: Wet prairies; woodland edges; roadsides

Growing Conditions

Light Requirement: Part Shade
Soil Moisture: Moist
Soil Description: Moist soils.
Conditions Comments: Not Available


Description: Not Available
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes

Value to Beneficial Insects

Special Value to Native Bees

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

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

National Wetland Indicator Status

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 Suppliers Directory

According to the inventory provided by Associate Suppliers, this plant is available at the following locations:

American Native Nursery - Quakertown, PA
Prairie Nursery - Westfield, WI

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:

Native Plant Center at Westchester Community College, The - Valhalla, NY
Native Seed Network - Corvallis, OR
* Available Online from Wildflower Center Store


Bibref 946 - Gardening with Prairie Plants: How to Create Beautiful Native Landscapes (2002) Wasowski, Sally
* The Midwestern Native Garden: Native Alternatives to Nonnative Flowers and Plants An Illustrated Guide (2011) Adelman, Charlotte and Schwartz, Bernard L.

Search More Titles in Bibliography

Additional resources

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


Record Last Modified: 2012-12-09
Research By: TWC Staff

Go back