Blackeyed susan
Rudbeckia hirta
Asteraceae


Landscape Uses:

Wildflower gardens.

Ecological Restoration Notes:

Availability:
Native plant nurseries. Available in Groveland at Green Isle Gardens (321-436-4932).
Description:
Medium short-lived herbaceous wildflower.
Height:
Typically 1-3 feet in height. Usually taller than broad.
Growth Rate:
Moderate.
Range:
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.
Habitats:
Pinelands.
Soils:
Moist to seasonally wet, moderately well-drained sandy or limestone soils, without humus.
Nutritional Requirements:
Low; it grows in nutrient poor soils.
Salt Water Tolerance:
Low; does not tolerate flooding by salt or brackish water.
Salt Wind Tolerance:
Low; salt wind may burn the leaves.
Drought Tolerance:
High; does not require any supplemental water once established.
Light Requirements:
Full sun.
Flower Color:
Yellow and brown.
Flower Characteristics:
Showy.
Flowering Season:
Summer-fall.
Fruit:
Inconspicuous achene.
Wildlife and Ecology:
Horticultural Notes:
Can be grown from seed.
Comments:


Keith A. Bradley
Chuck McCartney
Roger L. Hammer
Susan Trammell
Susan Trammell
Shirley Denton
Shirley Denton
Shirley Denton

Shirley Denton