Rudbeckia spp.

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Asteraceae (Compositae)

Also known as Rudbeckia nitida, R. graminifolia, R. auriculata, R.riloba

Plant Specifics

Size:2-4 ft
Life Span:Annual
Flower Color:Yellow,brown
Fruit Color:NA
Phenology:Winter dormant
Noted for:Showy flowers


Recommended Uses:Wildflower garden. All the species listed should grow well in garden settings. They are all grown for their showy flowers (most are yellow, though we do have one with small dark red ray flowers).
Propagation:Seed. If you collect, be sure you have landowner permission.
Availability:Seed, Specialty providers
Light: Full Sun,  Part Shade
Moisture Tolerance:
always floodedextremely dry
 (Usually moist, occasional inundation ----- to ----- Not wet but not extremely dry)
Moisture Tolerance: Usually moist, occasional inundation ----- to ----- Not wet but not extremely dry
Salt Water Flooding Tolerance:Not salt tolerant of inundation by salty or brackish water.
Salt Spray/ Salty Soil Tolerance:Low/no tolerance of salty wind or direct salt spray
Soil or other substrate:Clay, Loam, Sand
Soil pH:Adaptable



Small seed-eating birds pick out the seeds from the mature flower heads.


Attract butterflies, bees and wasps.

Native Habitats:Vary by species. Mostly sandhills, bogs, roadsides, ruderal.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 10B 11 8A 8B 9A 9B 

USDA zones are based on minimum winter temperatures


General Comments:

Multiple species are native to Florida.  Most are attractive and many are easy to grow.  This is a catch-all for species not listed individually.  Please choose those that are appropriate for your area.