• Photo by: Mark Hutchinson, Hernando Chapter, FNPS

Rudbeckia spp.

blackeyed-susan

Nomenclature

Common Name:

blackeyed-susan

Synonym(s):

Rudbeckia nitida, R. graminifolia, R. auriculata, R.riloba

Genus species:

Rudbeckia spp.

Family:

Asteraceae (Compositae)

Plant Specifics

Form:

flower

Size:

2-4 ft

Life Span:

Long-lived perennial

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).

Considerations:

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Availability:

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Propagation:

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Light:

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Moisture Tolerance:

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

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Usually moist, occasional inundation -to- Not wet but not extremely dry

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, Clay, Loam

Soil pH:

adaptable

Suitable to Grow In:

8A,8B,9A,9B,10A,10B,11

Ecology

Wildlife:

Pollinators, Butterflies, Birds

Attract butterflies, bees and wasps.

Small seed-eating birds pick out the seeds from the mature flower heads.

Native Habitats:

Vary by species. Mostly sandhills, bogs, roadsides, ruderal.

Comments:

Ethnobotany:

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.