Rudbeckia spp.

Photo by Mark Hutchinson. Photograph belongs to the photographer who allows use for FNPS purposes only. Please contact the photographer for all other uses.

Natural Range in Florida
USDA Zones

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

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Blackeyed-susan

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
Phenology:Winter dormant
Habitats:Vary by species. Mostly sandhills, bogs, roadsides, ruderal.

Landscaping

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).
Light: Full Sun,  Part Shade
Moisture Tolerance:
always floodedextremely 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 Tolerance:Low/no tolerance of salty wind or direct salt spray
Soil/Substrate:Clay, Loam, Sand

Wildlife

birdbutterflypollinator

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

Attract butterflies, bees and wasps.