FNPS Plant Database

Rudbeckia laciniata

cutleaf coneflower
  • Photo by: Shirley Denton, Suncoast Chapter FNPS
  • Photo by: Shirley Denton, Suncoast Chapter FNPS
  • Photo by: Shirley Denton, Suncoast Chapter FNPS
  • Photo by: Janet Bowers, Heartland Chapter FNPS

Nomenclature

Common Name:

cutleaf coneflower

Synonym(s):

Genus species:

Rudbeckia laciniata

Family:

Asteraceae

Plant Specifics

Form:

flower

Size:

3 - 6 (12) ft

Life Span:

Long-lived perennial

Flower Color:

yellow

Fruit Color:

brown,black

Phenology:

winter dormant

Noted For:

Showy Flowers

Landscaping

Recommended Uses:

Background plant as tall.

Considerations:

Availability:

Seed

Propagation:

Seed

Light:

Full Sun, Part Sun

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:

Some tolerance to salty wind but not direct salt spray

Soil or Other Substrate:

Sand, Loam

Soil pH:

Suitable to Grow In:

8A,8B

USDA zones are based on the average annual extreme minimum winter temperature.



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Ecology

Wildlife:

Pollinators, Butterflies, Caterpillars, 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:

Forests

Natural Range in Florida:

Comments:

Ethnobotany:

General Comments:

Very robust.  Forms large patches.  Given its potential to be very tall, it may needs to have support from adjacent plants.  



Data on salt tolerance comes mostly from northern sources where the source of salt is winter road de-icing.

Citations:

https://edis.ifas.ufl.edu/fp512#:~:text=The many Rudbeckia species tolerate,planting close to the beach.



Huegel, Craig, N.  2012.  Native wildflowers and other ground covers for Florida landscapes. University Press of Florida, Gainesville, FL.



https://edgeofthewoodsnursery.com/wp-content/uploads/2016/02/Salt-Tolerant-Native-Plants.pdf 



https://www.butterfliesandmoths.org/species/Chlosyne-nycteis



https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4001241/



https://plantsforpollinators.weebly.com/black-eyed-susan.html



USDA:  https://www.westernnativeseed.com/plant guides/rudhirpg.pdf

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