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Rudbeckia hirta var. pulcherrima (Black-eyed susan)
Richardson, Charmaine

Rudbeckia hirta var. pulcherrima

Rudbeckia hirta L. var. pulcherrima Farw.

Black-eyed Susan, Blackeyed Susan, Brown-eyed Susan, Pinewoods Coneflower

Asteraceae (Aster Family)

Synonym(s): Rudbeckia bicolor, Rudbeckia hirta var. corymbifera, Rudbeckia hirta var. lanceolata, Rudbeckia hirta var. sericea, Rudbeckia hirta var. serotina, Rudbeckia longipes, Rudbeckia sericea, Rudbeckia serotina, Rudbeckia serotina var. corymbifera, Rudbeckia serotina var. lanceolata, Rudbeckia serotina var. sericea


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

Long-lasting blooms; if happy, will behave as perennial. Attracts Fritillary butterflies.
This plant is a biennial - it produces a rosette of leaves the first year and flowers in the second year. (Clough)


From the Image Gallery

118 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual , Perennial , Biennial
Habit: Herb
Size Notes: Up to about 3 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: Red , Orange , Yellow
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov
Bloom Notes: Uniformly yellow to yellow-orange or with a basal maroon splotch.


USA: AL , AR , CA , CO , CT , DC , DE , FL , GA , IA , ID , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , NC , ND , NE , NH , NJ , NM , NY , OH , OK , OR , PA , RI , SC , SD , TN , TX , UT , VA , VT , WA , WI , WV , WY
Canada: PE , SK
Native Habitat: Prairie/Meadow/Field

Growing Conditions

Light Requirement: Sun
Soil Moisture: Dry
Soil Description: Sand


Conspicuous Flowers: yes
Attracts: Butterflies
Larval Host: Silvery Checkerspot

Butterflies and Moths of North America (BAMONA)

Silvery Checkerspot
(Chlosyne nycteis)

Larval Host
Learn more at BAMONA


Bibref 1186 - Field Guide to Moths of Eastern North America (2005) Covell, C.V., Jr.
Bibref 1185 - Field Guide to Western Butterflies (Peterson Field Guides) (1999) Opler, P.A. and A.B. Wright

Search More Titles in Bibliography

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Rudbeckia hirta var. pulcherrima in USDA Plants
FNA: Find Rudbeckia hirta var. pulcherrima in the Flora of North America (if available)
Google: Search Google for Rudbeckia hirta var. pulcherrima


Record Modified: 2022-11-03
Research By: TWC Staff

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