FNPS Plant Database

Ageratina jucunda

hoarhound, hammock snakeroot
  • Photo by: Shirley Denton, Suncoast Chapter FNPS
  • Photo by: Shirley Denton, Suncoast Chapter FNPS

Nomenclature

Common Name:

hoarhound, hammock snakeroot

Synonym(s):

Eupatorium juncundum

Genus species:

Ageratina jucunda

Family:

Asteraceae

Plant Specifics

Form:

flower

Size:

Typically 2 to 3 ft tall.

Life Span:

Long-lived perennial

Flower Color:

white

Fruit Color:

Phenology:

Blooms predominantly in late summer-early fall.

Noted For:

Landscaping

Recommended Uses:

Wildflower garden.  Low borders.

Considerations:

Availability:

Propagation:

Seed.

Light:

Moisture Tolerance:

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

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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:

Soil pH:

Slightly acidic to somewhat calcareus

Suitable to Grow In:

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

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Ecology

Wildlife:

Pollinators, Butterflies

Attracts butterflies and bees.

Native Habitats:

Pinelands, flatwoods, open hammocks, roadsides.

Natural Range in Florida:

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Comments:

Ethnobotany:

General Comments:

Citations:

BONAP Plant Atlas. (2014). ( https://bonap.net/MapGallery/County/Ageratina%20jucunda.png ). Accessed 2025. Biota of North America Program, Chapel Hill, NC.


Florida Wildflower Foundation. (undated) Flower Friday: Ageratina jucunda. ( https://www.flawildflowers.org/flower-friday-ageratina-jucunda/ ). Accessed 2025.


Gann, G.D., C.J. Abbott, C.G. Stocking, K.N. Hines, and collaborators. Natives For Your Neighborhood. ( https://www.regionalconservation.org/beta/nfyn/plantdetail.asp?tx=Agerjucu ). Accessed 2025. The Institute for Regional Conservation. Delray Beach, Florida.


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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