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Search Term(s): Helianthus giganteus   (1 record found)

ASTERACEAE
Aster Family
Helianthus giganteus  (giant sunflower)   
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Synonym
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Carex Section
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Meaning of Scientific Name
Helianthus: from the Greek helios (sun); giganteus: large, gigantic
Native Plant
Yes
Life Form
Perennial Herb
Phenology (Flowering Period)
August-September
Physiographic Province
☑ Piedmont
☑ Coastal Plain

County Distribution
☑ New Castle
☑ Kent
☑ Sussex

Habitat
Roadside ditches, wet meadows, fresh water tidal marshes
State Status
Common
Piedmont Status
Common
Coastal Plain Status
Common
Global Rank
--
Federal Status
--
Geographic Affinity
--
Species at Limit of Distribution
☐ Northern
☐ Southern

North American Distribution (Non-indigenous Species)
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Coefficient of Conservatism
3
Invasive
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Invasive Watchlist
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Global Origin (Non-native Species)
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Wildlife Values
The genus Helianthus is a possible host plant for Charidryas nycteis (Silvery Checkerspot Butterfly). In addition, H. giganteus is the host plant for the rare Papaipema maritima (Maritime Sunflower Borer Moth).
Wetland Indicator Status
FACW
Medicinal Properties
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ID Notes
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Additional Info
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Habitats in which this plant occurs
Freshwater Herbaceous Tidal Wetlands
Freshwater Shrub Tidal Wetlands
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