FNPS Plant Database

Helenium spp.

sneezeweed

PHOTOS COMING SOON!

Nomenclature

Common Name:

sneezeweed

Synonym(s):

Helenium bifidum, Helenium amarum, Helenium flexuosum, Helenium pinnatifidum

Genus species:

Helenium spp.

Family:

Asteraceae (Compositae)

Plant Specifics

Form:

flower

Size:

3-4 ft

Life Span:

Long-lived perennial

Flower Color:

yellow

Fruit Color:

white,yellow

Phenology:

Noted For:

Showy Flowers

Landscaping

Recommended Uses:

Wildflower garden, most species prefer relatively moist conditions.

Considerations:

Availability:

Native Nurseries, Seed

Propagation:

Division of clumps. Many species benefit from division every few years. Seed. Most grow easily from seed. Some species can be grown from stem cuttings. Seeds are available through the Florida Wildflowers Growers Cooperative - H. amarum and H. autumnale

Light:

Full Sun

Moisture Tolerance:

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

Coming Soon!

Usually moist, occasional inundation ---to--- Short 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:

Acid to neutral

Suitable to Grow In:

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

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



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Ecology

Wildlife:

Pollinators, Butterflies

Attract bees and butterflies.

Native Habitats:

Flatwoods, marsh edges, moist ruderal areas.

Natural Range in Florida:

Comments:

Ethnobotany:

General Comments:

Citations:

https://www.fs.fed.us/wildflowers/plant-of-the-week/helenium_autumnale_autumnale.shtml



Osorio, Rufino. 2001. A gardener's guide to Florida's native Plants.  University Press of Florida, Gainesville, FL.



Wunderlin, R. P., B. F. Hansen, A. R. Franck, and F. B. Essig. 2021. Atlas of Florida Plants (http://florida.plantatlas.usf.edu/).  Institute for Systematic Botany, University of South Florida, Tampa.

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