Rudbeckia spp.
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Blackeyed-susan
Asteraceae (Compositae)
Also known as Rudbeckia nitida, R. graminifolia, R. auriculata, R.riloba
Plant Specifics
| Form: | Flower | |
| Size: | 2-4 ft | |
| Life Span: | Annual | |
| Flower Color: | Yellow,brown | |
| Fruit Color: | NA | |
| Phenology: | Winter dormant | |
| Noted for: | Showy flowers |
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). | ||||||||||||||||||||||||||||||||||||||||||
| 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 |
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| (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 | ||||||||||||||||||||||||||||||||||||||||||
Ecology
| Wildlife: |
Small seed-eating birds pick out the seeds from the mature flower heads. | |
| Insects: | 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
Comments
| 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. |