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
2002-2022, Copyright Florida Native Plant Society
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
Small seed-eating birds pick out the seeds from the mature flower heads.
Attract butterflies, bees and wasps.