Nomenclature

Common Name:

black-eyed susan

Synonym(s):

Genus species:

Rudbeckia hirta

Family:

Asteraceae

Plant Specifics

Form:

flower

Size:

2-3 ft tall by 1-2 ft wide

Life Span:

Long-lived perennial

Flower Color:

yellow

Fruit Color:

brown

Phenology:

Blooms spring-fall.

Noted For:

Showy Flowers

Landscaping

Recommended Uses:

Wildflower gardens, roadside wildflowers, meadows.

Considerations:

Availability:

Seed

Propagation:

Seed.  While this is a short-lived perennial, it is usually grown as an annual.  Readily self-seeds.

Light:

Full Sun

Moisture Tolerance:

Always Flooded------------------------------------------------Extremely Dry

Coming Soon!

Somewhat moist, no flooding ---to--- Very long very dry periods

Salt Water Flooding Tolerance:

Unknown

Salt Spray/Salty Soil Tolerance:

Low/no tolerance of salty wind or direct salt spray

Soil or Other Substrate:

Sand

Soil pH:

adaptable

Suitable to Grow In:

8A,8B,9A,9B,10A,10B

Ecology

Wildlife:

Pollinators, Butterflies, Birds

Attracts bumble bees, butterflies





Larval host for the silvery checkerspot, found only in extreme north Florida.

Seeds eaten by small birds such as finches.

Native Habitats:

Predominantly ruderal.  Roadsides and waste places.

Natural Range in Florida:

Comments:

Ethnobotany:

General Comments: