| Blackeyed susan
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| Rudbeckia hirta
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| Asteraceae
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Landscape Uses:
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Wildflower gardens. |
Ecological Restoration Notes: |
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| Availability: |
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Widely available in central Florida. Commonly available at native plant nurseries in South Florida. Available at native plant nurseries in northeast Florida. |
| Description: |
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Medium short-lived herbaceous wildflower. |
| Height: |
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Typically 1-3 feet in height. Usually taller than broad. |
| Growth Rate: |
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Moderate. |
| Range: |
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Widespread in North America south to Miami-Dade and Collier counties, but very rare in Broward and either very rare or extirpated in the wild in Miami-Dade. Not documented on barrier islands in southeastern Florida, but possibly historically present; it grows well at Pan’s Garden in Palm Beach. |
| Habitats: |
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Pinelands. |
| Soils: |
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Moist to seasonally wet, moderately well-drained sandy or limestone soils, without humus. |
| Nutritional Requirements: |
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Low; it grows in nutrient poor soils. |
| Salt Water Tolerance: |
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Low; does not tolerate flooding by salt or brackish water. |
| Salt Wind Tolerance: |
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Low; salt wind may burn the leaves. |
| Drought Tolerance: |
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High; does not require any supplemental water once established. |
| Light Requirements: |
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Full sun. |
| Flower Color: |
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Yellow and brown. |
| Flower Characteristics: |
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Showy. |
| Flowering Season: |
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Summer-fall. |
| Fruit: |
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Inconspicuous achene. |
| Wildlife and Ecology: |
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Provides nectar for pollinators. Attracts native bees and other beneficial insects. Provides seeds and insects for birds. |
| Horticultural Notes: |
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Can be grown from seed. |
| Comments: |
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See also the Florida Wildflower Foundation's Flower Friday page, and 2-page publication on planting and care of Rudbeckias in landscapes page. |
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