Sawtooth Sunflower
Helianthus grosseserratus
Found in prairies, fens, pastures, roadsides, disturbed areas. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
Native status: sources disagree, under review. How scores work Is it native here?
Profile 82%
- Height
- 4 feet
- Light
- Full sun
- Soil moisture
- Somewhat dry to moist

At a glance
- Life cycle
- Perennial
- Bloom
- July to October
- Fruiting season
- Summer to fall
Not yet recorded · Spread · Leaves
Recorded in 1 West Virginia county.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Wet, open, peaty mountain wetlands fed by seepage, often with sphagnum moss.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Who uses this plant?
74CaterpillarsGenus host records with ranges including WV
Genus host records with ranges including WV · 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
- Autographa precationisCommon Looper Moth
- Chloridea virescensTobacco Budworm Moth
- Chlorochlamys chloroleucariaBlackberry Looper Moth
- Choristoneura rosaceanaOblique-Banded Leafroller Moth, Rosaceous Leaf Roller
Show all 74
- Chrysodeixis includensSoybean Looper Moth
- Cochylichroa hospesBanded Sunflower Moth
- Condica sutorThe Cobbler, Cobbler Groundling
- Cucullia speyeriSpeyer's Cucullia, Speyer's Paint
- Dichomeris aleatrixBuffy Dichomeris Moth
- Dichomeris flavocostellaCream-Edged Dichomeris
- Dichomeris inserrataIndented Dichomeris
- Dichomeris juncidellaOrange-Dotted Dichomeris
- Dichomeris leuconotellaTwo-Spotted Dichomeris
- Elophila obliteralisWaterlily Leafcutter Moth
- Estigmene acreaSalt Marsh Moth, Acrea Moth
- Eupithecia miserulataCommon Eupithacia, Common Pug
- Euplexia benesimilisAmerican Angle Shades
- Euxoa messoriaReaper Dart, Darksided Cutworm, Dark-Sided Cutworm
- Feltia jaculiferaDingy Cutworm
- Feltia subgothicaSubgothic Dart
- Helicoverpa zeaCorn Earworm Moth
- Herpetogramma pertextalisBold-Feathered Grass Moth
- Homoeosoma electellaSunflower Moth
- Hypercompe scriboniaGiant Leopard Moth, Great Leopard Moth
- Hyphantria cuneaFall Webworm
- Megalographa bilobaBilobed Looper Moth
- Mythimna unipunctaArmyworm Moth, White Speck
- Nomophila nearcticaLucerne Moth, American Celery Webworm
- Nymphalis milbertiMilbert's Tortoise Shell, Fire-Rim Tortoise Shell
- Oedemasia leptinoidesBlack-Blotched Schizura
- Ogdoconta cinereolaCommon Pinkband Groundling
- Orgyia leucostigmaWhite-Marked Tussock Moth
- Papaipema cataphractaBurdock Border, Potato-Stalk Borer
- Papaipema nebrisStalk Borer
- Papaipema necopinaSunflower Borer
- Papaipema rigidaRigid Sunflower Borer
- Pelochrista scintillanaSpangled Pelochrista
- Phragmatobia fuliginosaRuby Tiger Moth
- Phtheochroa birdanaBird's Cochylid
- Phyciodes tharosPearl Crescent, Crescentspot
- Plagiomimicus spumosumFrothy Moth
- Platynota flavedanaBlack-Shaded Platynota
- Pleuroprucha insulsariaCommon Tan Wave
- 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 frugiperdaFall Armyworm Moth
- Spodoptera ornithogalliYellow-Striped Armyworm Moth, Cotton Cutworm
- Spoladea recurvalisHawaiian Beet Webworm
- Stiria rugifronsSunflower Seedcropper, Yellow Sunflower Moth
- Suleima cinerodorsanaAshy Suleima
- Suleima helianthanaSunflower Bud Moth
- Thyridopteryx ephemeraeformisEvergreen Bagworm Moth
- Trichoplusia niNi Moth, Cabbage Looper Moth
- Vanessa carduiPainted Lady, Cosmopolite
- Vanessa virginiensisAmerican Lady, American Painted Lady
- Xestia c-nigrumSpotted Cut-Worm, Setaceous Hebrew Character, Lesser Black-letter Dart
- Xestia dolosaGreater Black-Letter Dart, Greater Spotted Cutworm
- Bucculatrix fusicola
- Bucculatrix magnella
- Bucculatrix needhami
- Carmenta ithacae
- Eucosma sombreana
- Herpetogramma aquilonalis
- Landryia matutella
- Pelochrista womonana
- Sitochroa dasconalis
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
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
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
Plant details
- Family
- Asteraceae
- Soil pH
- Neutral
- Flower color
- Yellow
- Growth rate
- Moderate
- Growth habit
- Spreads by rhizomes
- Foliage color
- Dark green
- Fruit begins
- Summer
- Fruit ends
- Fall
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “July to October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; USDA PLANTS, Prairie Moon 2026 Cultural Guide differ) · Carolinas and Georgia
- Flower color · “Yellow” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Foliage color · “Dark green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit begins · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit ends · “Fall” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth habit · “Spreads by rhizomes” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Moderate” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Height · “4 feet” · Tennessee Smart Yards (ranked first; USDA PLANTS, Minnesota Wildflowers, Prairie Moon 2026 Cultural Guide differ) · Published Tennessee growing guidance; exact cached scientific heading
- Life cycle · “Perennial” · Lady Bird Johnson Wildflower Center
- Light · “Full sun” · Tennessee Smart Yards (ranked first; Lady Bird Johnson Wildflower Center, Prairie Moon 2026 Cultural Guide differ) · Published Tennessee growing guidance; exact cached scientific heading
- primary_flower_color · “yellow” · USDA PLANTS
- Soil · “moderately wet to moderately dry” · Tennessee Smart Yards (ranked first; Lady Bird Johnson Wildflower Center, Prairie Moon 2026 Cultural Guide differ) · Published Tennessee growing guidance; exact cached scientific heading
- Soil pH · “Neutral” · Lady Bird Johnson Wildflower Center
Conservation status
| West Virginia rank | SNA |
|---|---|
| Global rank | G5 |
| WV status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Growing cautions
- Spreads aggressively. Spreads aggressively by rhizomes and slowly by seed. Tennessee Smart Yards
For planning only; these do not change the score or Fit.
Sources
- NatureServe Explorer
- USDA PLANTS
- Weakley, Flora of the Southeastern United States (2025)
- West Virginia occurrence source
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- 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
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications

