Base de datos de plantas del FNPS

Helianthus debilis subsp. debilis

east coast dune sunflower
  • Photo by: Mark Hutchinson, Hernando Chapter, FNPS
  • Photo by: Mark Hutchinson, Hernando Chapter, FNPS
  • Photo by: Mark Hutchinson, Hernando Chapter, FNPS
  • Photo by: Shirley Denton, Suncoast Chapter FNPS
  • Photo by: John Bradford, Martin County Chapter FNPS
  • Photo by: Ginny Stibolt, Ixia Chapter FNPS

Nomenclatura

Nombre común:

east coast dune sunflower

Sinónimo(s):

Especie del género:

Helianthus debilis subsp. debilis

Familia:

Asteraceae (Compositae)

Especificaciones de la planta

Forma:

shrub

Tamaño:

1.0 to 2.5 ft tall by 2.0 to 8.0 ft wide

Esperanza de vida:

Long-lived perennial

Color de la flor:

yellow

Color de la fruta:

Fenología:

Deciduous. Perennial but often short lived. Blooms most of the year in its natural range.

Destacado por:

Showy Flowers, Interesting Foliage

Paisajismo

Usos recomendados:

Ground cover in sandy, open environments.

Consideraciones:

Aggressively self-seeds, can be a nuisance in the wrong situation.

Disponibilidad:

Native Nurseries, FNPS Plant Sales, Seed

Propagación:

Self-seeds, seeds can easily be collected from deadheads. East coast dune sunflower can also be propagated using cuttings. Seeds are available through the Florida Wildflowers Growers Cooperative.

Luz:

Full Sun

Tolerancia a la humedad:

Siempre inundado---------------------------------Extremadamente seco

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Somewhat moist, no flooding -a- Very long very dry periods

Tolerancia a inundaciones por agua salada:

Unknown

Tolerancia a la niebla salina/suelo salado:

High. Can tolerate significant and ongoing amounts of salt.

Suelo u otro sustrato:

Sand, Loam

pH del suelo:

5.2 to 7.2

Apto para cultivo en:

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

Las zonas del USDA se basan en la temperatura mínima extrema invernal anual promedio.

¿No conoces tu zona? Haz clic aquí para buscar por código postal.

Acreditado en:

Distribution
Vouchered
Not vouchered
Selected
Click a county The county name will appear here.
No county distribution is available for this plant yet.
Starting…
Map coded by Melissa Fernandez-de Cespedes (Paynes Prairie Chapter)

Ecología

Fauna:

Pollinators, Butterflies, Birds, Mammals

Primarily pollinated by bees. 

Seeds eaten by birds and small mammals.  When full grown, provides a thicket for protection of small birds and animals.

Hábitats nativos:

Beach dunes, coastal grasslands, sandhill, and scrub

Área de distribución natural en Florida:

Comentarios:

Etnobotánica:

Comentarios generales:

To avoid introgression with other H. debilis subspecies, do not grow them in a common garden.
FNPS Plant Print

Citas:

Gann, G.D., C.J. Abbott, C.G. Stocking, K.N. Hines, and collaborators. (2001+). East Coast dune sunflower. Natives For Your Neighborhood. ( https://www.regionalconservation.org/beta/nfyn/plantdetail.asp?tx=Helidebidebi ). Accessed 2026. The Institute for Regional Conservation. Delray Beach, Florida.


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


Nelson, Gil. (2003). Florida's Best Landscape Plants: 200 Readily Available Species for Homeowners and Professionals. University Press of Florida, Gainesville.


Traas, Pamela. (2001). Gardening for Florida's Butterflies. Great Outdoors Publishing Co., St. Petersburg, FL.


Osorio, Rufino. (2001). A Gardener's Guide to Florida's Native Plants. University Press of Florida, Gainesville.


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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