FNPS Plant Database
Rudbeckia fulgida
Nomenclature
Common Name:
Synonym(s):
Genus species:
Family:
Asteraceae
Plant Specifics
Form:
Size:
Life Span:
Long-lived perennial
Flower Color:
Fruit Color:
Phenology:
Noted For:
Landscaping
Recommended Uses:
Considerations:
Availability:
Propagation:
Light:
Moisture Tolerance:
Always Flooded---------------------------------Extremely Dry
□□□□□□□□□□□□□□□□□□■■■■■■■■■■■■■■■□□□□□□□□□
Somewhat moist, no flooding -to- Short very dry periods
Salt Water Flooding Tolerance:
Unknown
Salt Spray/Salty Soil Tolerance:
Some tolerance to salty wind but not direct salt spray
Soil or Other Substrate:
Sand
Soil pH:
Suitable to Grow In:
8A,8B,9A,9B,10A,10B

USDA zones are based on the average annual extreme minimum winter temperature.
Don't know your zone? Click here to search by zip code.
Vouchered In:
Ecology
Wildlife:
Attracts bumble bees, butterflies Larval host for the silvery checkerspot, found only in extreme north Florida.
Small birds eat the seed. Deer tend to avoid this.
Native Habitats:
Comments:
Ethnobotany:
General Comments:
Citations:
Brakie, M. (2019). Plant Guide for Black-eyed Susan ( Rudbeckia hirta ). ( ). Accessed 2026. USDA-Natural Resources Conservation Service, East Texas Plant Materials Center. Nacogdoches, TX.
Butterflies and Moths of North America (BAMONA). (Undated). Silvery Checkerspot, Chlosyne nycteis [in] Butterflies and Moths of North America. ( https://www.butterfliesandmoths.org/species/Chlosyne-nycteis ). Accessed 2026.
Gilman, Edward F, Teresa Howe, Ryan W. Klein, and Gail Hansen. (2024). Rudbeckia hirta , Blackeyed Susan, Gloriosa Daisy. ( https://edis.ifas.ufl.edu/publication/fp512 ). Accessed 2026. Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL.
Horth, L, Campbell, L, & Bray, R. (2014). Wild bees preferentially visit Rudbeckia flower heads with exaggerated ultraviolet absorbing floral guides. Biology open, 3(3), 221–230. ( https://doi.org/10.1242/bio.20146445 ). Accessed 2026. National Library of Medicine, Bethesda, MD.
Missouri Botanical Garden. Accessed 2022. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=g630
University of Minnesota. (Undated). Black Eyed Susan [in] Plants for Pollinators. ( https://plantsforpollinators.weebly.com/black-eyed-susan.html ). Accessed 2026. University of Minnesota, St. Paul, MN.






