FNPS Plant Database
Rudbeckia graminifolia
Nomenclature
Common Name:
Synonym(s):
Genus species:
Family:
Asteraceae (Compositae)
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
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Usually moist, occasional inundation -to- Not wet but not extremely dry
Salt Water Flooding Tolerance:
Unknown
Salt Spray/Salty Soil Tolerance:
Low/no tolerance of salty wind or direct salt spray
Soil or Other Substrate:
Sand
Soil pH:
Suitable to Grow In:
8A,8B,9A
USDA zones are based on the average annual extreme minimum winter temperature.
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Vouchered In:
Ecology
Wildlife:
Attracts bumble bees, butterflies.
Seeds eaten by small birds.
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.
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.
