FNPS Plant Database

Amsonia ciliata

slimpod, fringed bluestar, blue dogbane
  • Photo by: Shirley Denton, Suncoast Chapter FNPS
  • Photo by: Shirley Denton, Suncoast Chapter FNPS

Nomenclature

Common Name:

slimpod, fringed bluestar, blue dogbane

Synonym(s):

Genus species:

Amsonia ciliata

Family:

Apocynaceae

Plant Specifics

Form:

flower

Size:

2-3 ft tall by 2-3 ft wide

Life Span:

Long-lived perennial

Flower Color:

white,blue

Fruit Color:

brown

Phenology:

Noted For:

Showy Flowers, Fall Color

Landscaping

Recommended Uses:

Wildflower garden. Blooms late spring. Fall foliage color is orange-yellow.

Considerations:

Availability:

Seed

Propagation:

Grow from seed or division. Prune to 10 inches after flowering.

Light:

Full Sun, Part Sun

Moisture Tolerance:

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

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Not wet but not extremely dry -to- Somewhat 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:

Suitable to Grow In:

8B,9A

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

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Ecology

Wildlife:

Pollinators, Butterflies, Hummingbirds

The flowers attract long-tongued insects such as carpenter bees, hummingbird moths, and butterflies.  Not known to be a larval plant for monarch butterflies.

Ruby-throated hummingbirds are attracted to the nectar. 





Avoided by mammalian herbivores.

Native Habitats:

Flatwoods, chalky hills.

Natural Range in Florida:

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Comments:

Ethnobotany:

General Comments:

The blue tubular flower opens into 5 petal-like lobes with a white center. Several blossoms grow in a loose cluster. Narrow seed pods and dark yellow fall color make this an attractive garden plant.

Citations:

Huegel, Craig N. (2012). Native Wildflowers and Other Ground Covers for Florida Landscapes. University Press of Florida, Gainesville.


Martin, Susan. (Undated). Blue in the Sun (blog post) ( https://piedmontmastergardeners.org/article/blue-in-the-sun/ ). Accessed 2025. Piedmont Master Gardeners, Virginia Cooperative Extension, Blacksburg, VA.


Wunderlin, R. P., B. F. Hansen, A. R. Franck, and F. B. Essig. (1999+). Atlas of Florida Plants. ( https://florida.plantatlas.usf.edu/ ). [S. M. Landry and K. N. Campbell (application development), USF Water Institute.] Institute for Systematic Botany, University of South Florida, Tampa.

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