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Paleleaf Sunflower

Helianthus strumosus

Found in woodlands and roadsides. FloraQuest, phone app (app page) What its natural habitat tells you

97
Keystone

Native to Florida. How scores work Is it native here?

Profile 100%

Height
3–7 feet
Light
Full to part sun
Soil moisture
Somewhat dry to moist
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
July to September

Not yet recorded · Spread · Leaves

Recorded in 12 Florida counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 2

Forests and woodlands

Trail on Little Kennesaw Mountain.
Named place / source context. Shown: Kennesaw Mountain National Battlefield Park, Georgia, a neighboring state.Trail on Little Kennesaw Mountain., Unidentified in HFC record, undated. Public domain. Source record.

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

All habitats

From historical sources

What the old botany books say

These facts were missing, so Quercus searched the Biodiversity Heritage Library for Helianthus strumosus and read up to three independent North American books. Every quote was checked word for word against the scanned page. Open a page to read it.

Bloom: August From 1 book, needs a second

Helianthus strumosus. A contribution to the knowledge of the flora of southeastern Minnesota (1900), William Archie Wheeler

“Helianthus strumosus L. Sp. PL 905. 1753. Coll. : Wheeler 632, Brownsville. Aug.”
Help us verify the bloom time

Read the quote above. When do these books say it flowers?

3 matching answers from different visitors mark it verified.

Ecological relationships

Who uses this plant?

What these records mean

66CaterpillarsGenus host records with ranges including FL

Genus host records with ranges including FL · Helianthus

  • Chlosyne nycteisSilvery Checkerspot
  • Acharia stimuleaSaddleback Caterpillar Moth
  • Achyra rantalisGarden Webworm Moth
  • Adaina ambrosiaeAmbrosia Plume Moth, Ragweed Plume Moth
  • Agrotis ipsilonIpsilon Dart, Black Cutworm, Greasy Cutworm
  • Amyna strictaEight-Spot Moth
  • Chloridea virescensTobacco Budworm Moth
  • Chlorochlamys chloroleucariaBlackberry Looper Moth
  • Choristoneura rosaceanaOblique-Banded Leafroller Moth, Rosaceous Leaf Roller
  • Chrysodeixis includensSoybean Looper Moth
Show all 66
  • Condica sutorThe Cobbler, Cobbler Groundling
  • Dichomeris flavocostellaCream-Edged Dichomeris
  • Dichomeris inserrataIndented Dichomeris
  • Dichomeris juncidellaOrange-Dotted Dichomeris
  • Elophila obliteralisWaterlily Leafcutter Moth
  • Estigmene acreaSalt Marsh Moth, Acrea Moth
  • Eupithecia miserulataCommon Eupithacia, Common Pug
  • Euplexia benesimilisAmerican Angle Shades
  • Euxoa auxiliarisArmy Cut-Worm, Army Cutworm
  • Feltia jaculiferaDingy Cutworm
  • Feltia repletaReplete Dart
  • Helicoverpa zeaCorn Earworm Moth
  • Herpetogramma pertextalisBold-Feathered Grass Moth
  • Homoeosoma electellaSunflower Moth
  • Hypercompe scriboniaGiant Leopard Moth, Great Leopard Moth
  • Hyphantria cuneaFall Webworm
  • Manduca rusticaRustic Sphinx
  • Megalographa bilobaBilobed Looper Moth
  • Mythimna unipunctaArmyworm Moth, White Speck
  • Nomophila nearcticaLucerne Moth, American Celery Webworm
  • Oedemasia leptinoidesBlack-Blotched Schizura
  • Ogdoconta cinereolaCommon Pinkband Groundling
  • Orgyia leucostigmaWhite-Marked Tussock Moth
  • Papaipema cataphractaBurdock Border, Potato-Stalk Borer
  • Papaipema maritimaMaritime Sunflower Borer
  • Phtheochroa birdanaBird's Cochylid
  • Phyciodes tharosPearl Crescent, Crescentspot
  • Plagiomimicus spumosumFrothy Moth
  • Platynota flavedanaBlack-Shaded Platynota
  • Pleuroprucha insulsariaCommon Tan Wave
  • Ponometia semiflavaHalf-Yellow Bird-Dropping Moth, Half-Yellow Moth
  • Pyrrharctia isabellaIsabella Tiger Moth, Banded Woolybear
  • Rachiplusia ouGray Looper
  • Sparganothis sulfureanaSparganothis Fruitworm Moth, Sulfur Leafroller, False Yellow-Head
  • Spilosoma virginicaVirginian Tiger Moth, Yellow Woolybear Moth, Yellow Bear
  • Spodoptera eridaniaSouthern Armyworm Moth
  • Spodoptera frugiperdaFall Armyworm Moth
  • Spodoptera latifasciaOrange-Striped Armyworm, Velvet Armyworm Moth
  • Spodoptera ornithogalliYellow-Striped Armyworm Moth, Cotton Cutworm
  • Spoladea recurvalisHawaiian Beet Webworm
  • Stiria rugifronsSunflower Seedcropper, Yellow Sunflower Moth
  • Suleima helianthanaSunflower Bud Moth
  • Synchlora frondariaSouthern Emerald
  • Thyridopteryx ephemeraeformisEvergreen Bagworm Moth
  • Trichoplusia niNi Moth, Cabbage Looper Moth
  • Vanessa carduiPainted Lady, Cosmopolite
  • Vanessa virginiensisAmerican Lady, American Painted Lady
  • Xestia dolosaGreater Black-Letter Dart, Greater Spotted Cutworm
  • Bucculatrix fusicola
  • Bucculatrix magnella
  • Bucculatrix needhami
  • Carmenta ithacae
  • Dichomeris vindex
  • Omiodes simialis
  • Platphalonidia lavana
  • Sitochroa dasconalis
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
69BeesSoutheastern regional records

Southeastern regional records · Helianthus

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
44Specialist beesPollen specialists

Pollen specialists · Helianthus

  • Andrena aliciae
  • Andrena asteris
  • Andrena braccata
  • Andrena chromotricha
  • Andrena haynesi
  • Andrena simplex
  • Colletes birkmanni
  • Colletes compactus
  • Colletes rufocinctus
  • Colletes simulans
Show all 44
  • Diadasia enavata
  • Dianthidium curvatum
  • Dieunomia heteropoda
  • Dieunomia triangulifera
  • Dufourea marginata
  • Hesperapis carinata
  • Megachile fortis
  • Megachile inimica
  • Megachile parallela
  • Megachile pugnata
  • Megachile xylocopoides
  • Melissodes bidentis
  • Melissodes coloradensis
  • Melissodes coreopsis
  • Melissodes denticulatus
  • Melissodes dentiventris
  • Melissodes desponsus
  • Melissodes illatus
  • Melissodes manipularis
  • Melissodes subillatus
  • Melissodes trinodis
  • Melissodes wheeleri
  • Paranthidium jugatorium
  • Perdita albipennis
  • Perdita bruneri
  • Perdita heliophila
  • Perdita laticincta
  • Perdita pratti
  • Perdita swenki
  • Perdita tridentata
  • Protandrena andrenoides
  • Protandrena piercei
  • Protandrena simulans
  • Trachusa zebrata
Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
36BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Helianthus

  • Agelaius phoeniceusRed-winged Blackbird
  • Alectoris chukarChukar
  • Anthus rubescensAmerican Pipit
  • Branta canadensisCanada Goose
  • Calcarius lapponicusLapland Longspur
  • Calcarius ornatusChestnut-collared Longspur
  • Callipepla californicaCalifornia Quail
  • Callipepla gambeliiGambel's Quail
  • Colinus virginianusNorthern Bobwhite
  • Columbina passerinaCommon Ground Dove
Show all 36
  • Corvus brachyrhynchosAmerican Crow
  • Corvus cryptoleucusChihuahuan Raven
  • Dryobates pubescensDowny Woodpecker
  • Euphagus cyanocephalusBrewer's Blackbird
  • Haemorhous mexicanusHouse Finch
  • Loxia leucopteraWhite-winged Crossbill
  • Melanerpes erythrocephalusRed-headed Woodpecker
  • Meleagris gallopavoWild Turkey
  • Melospiza melodiaSong Sparrow
  • Melozone crissalisCalifornia Towhee
  • Molothrus aterBrown-headed Cowbird
  • Oreortyx pictusMountain Quail
  • Ortalis vetulaPlain Chachalaca
  • Passer domesticusHouse Sparrow
  • Perdix perdixGray Partridge
  • Quiscalus quisculaCommon Grackle
  • Rhynchophanes mccowniiMcCown's Longspur
  • Sitta carolinensisWhite-breasted Nuthatch
  • Spinus psaltriaLesser Goldfinch
  • Spinus tristisAmerican Goldfinch
  • Turdus migratoriusAmerican Robin
  • Tympanuchus pallidicinctusLesser Prairie-Chicken
  • Xanthocephalus xanthocephalusYellow-headed Blackbird
  • Zenaida asiaticaWhite-winged Dove
  • Zenaida macrouraMourning Dove
  • Zonotrichia leucophrysWhite-crowned Sparrow
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

Flies 2
  • Anthrax halcyon
  • Systoechus vulgaris

Flower visits · Carlinville, Illinois, USA

Other wasps 1
  • Sphex nigricans

Flower visits · Carlinville, Illinois, USA

No records yet · Ants · Beetles · Adult butterflies / moths · Other insects

Growing and identification

Plant details

Family
Asteraceae
Soil pH
Acidic
Flower color
Yellow

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Rough Sunflower

Conservation status

Florida rankS3S4
Global rankG5
FL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Growing cautions

For planning only; these do not change the score or Fit.

Sources