Photographs are not available yet.
Ecological relationships
Who uses this plant?
39CaterpillarsGenus host records with ranges including KY
Genus host records with ranges including KY · Amaranthus
- Achyra rantalisGarden Webworm Moth
- Agrotis ipsilonIpsilon Dart, Black Cutworm, Greasy Cutworm
- Amyna strictaEight-Spot Moth
- Anarta trifoliiThe Nutmeg, Clover Cutworm
- Anavitrinella pampinariaCommon Gray, Cranberry Spanworm
- Dicymolomia julianalisJulia's Dicymolomia
- Disclisioprocta stellataSomber Carpet, Bougainvillea Looper
- Epiblema otiosanaBidens Borer Moth
- Estigmene acreaSalt Marsh Moth, Acrea Moth
- Feltia subterraneaSubterranean Dart, Granulate Cutworm
Show all 39
- Gesta martialisMottled Duskywing
- Hahncappsia mancalisCommon Hahncappsia
- Helicoverpa zeaCorn Earworm Moth
- Herpetogramma bipunctalisSouthern Beet Webworm, Two-Spotted Herpetogramma
- Hyles lineataWhite-Lined Sphinx
- Hymenia perspectalisSpotted Beet Webworm
- Melanchra pictaPainted Arches, Zebra Caterpillar Moth
- Mocis latipesSmall Mocis, Striped Grass Looper
- Mythimna unipunctaArmyworm Moth, White Speck
- Papaipema nebrisStalk Borer
- Pholisora catullusCommon Sootywing
- Platynota flavedanaBlack-Shaded Platynota
- Psara obscuralisObscure Psara Moth
- Scythris trivinctellaBanded Scythris
- Sparganothis sulfureanaSparganothis Fruitworm Moth, Sulfur Leafroller, False Yellow-Head
- Spilosoma virginicaVirginian Tiger Moth, Yellow Woolybear Moth, Yellow Bear
- Spodoptera albulaWhite-Spotted Armyworm, Gray-Streaked Armyworm
- Spodoptera dolichosSweetpotato Armyworm, Dolichos Armyworm, Large Cotton Armyworm
- Spodoptera eridaniaSouthern Armyworm Moth
- Spodoptera frugiperdaFall Armyworm Moth
- Spodoptera ornithogalliYellow-Striped Armyworm Moth, Cotton Cutworm
- Spoladea recurvalisHawaiian Beet Webworm
- Staphylus hayhurstiiHayhurst's Scallopwing, Scalloped Sooty Wing, Scalloped Sootywing
- Udea rubigalisCelery Leaftier
- Virbia aurantiacaOrange Virbia, Orange Holomelina
- Coleophora lineapulvella
- Helvibotys helvialis
- Paralobesia sambuci
- Paralobesia vernoniana
4BeesSoutheastern regional records
Southeastern regional records · Amaranthus
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
0Specialist beesPollen specialists
39BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Amaranthus
- Acanthis flammeaCommon Redpoll
- Agelaius phoeniceusRed-winged Blackbird
- Agelaius tricolorTricolored Blackbird
- Alectoris chukarChukar
- Anthus rubescensAmerican Pipit
- Calcarius lapponicusLapland Longspur
- Calcarius ornatusChestnut-collared Longspur
- Callipepla californicaCalifornia Quail
- Columba liviaRock Pigeon
- Columbina passerinaCommon Ground Dove
Show all 39
- Euphagus cyanocephalusBrewer's Blackbird
- Haemorhous mexicanusHouse Finch
- Ixoreus naeviusVaried Thrush
- Junco hyemalisDark-eyed Junco
- Meleagris gallopavoWild Turkey
- Melospiza melodiaSong Sparrow
- Melozone crissalisCalifornia Towhee
- Molothrus aterBrown-headed Cowbird
- Oreortyx pictusMountain Quail
- Perdix perdixGray Partridge
- Pheucticus melanocephalusBlack-headed Grosbeak
- Pinicola enucleatorPine Grosbeak
- Pipilo maculatusSpotted Towhee
- Plectrophenax nivalisSnow Bunting
- Pooecetes gramineusVesper Sparrow
- Rhynchophanes mccowniiMcCown's Longspur
- Sialia sialisEastern Bluebird
- Spizella breweriBrewer's Sparrow
- Spizella passerinaChipping Sparrow
- Spizelloides arboreaAmerican Tree Sparrow
- Turdus migratoriusAmerican Robin
- Tympanuchus pallidicinctusLesser Prairie-Chicken
- Tyrannus tyrannusEastern Kingbird
- Vireo belliiBell's Vireo
- Vireo olivaceusRed-eyed Vireo
- Zenaida asiaticaWhite-winged Dove
- Zenaida macrouraMourning Dove
- Zonotrichia atricapillaGolden-crowned Sparrow
- Zonotrichia leucophrysWhite-crowned Sparrow
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Growing and identification
Plant details
- Family
- Amaranthaceae
- Hardiness
- Zones 3a–11b
- Soil pH
- Neutral
- Flower color
- Green or white
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Flower color · “Green or white” · NC Extension Plant Toolbox
- Hardiness · “Zones 3a–11b” · NC Extension Plant Toolbox
- Height · “1 to 6.6 feet (0.3-2 m) tall” · Fire Effects Information System: Amaranthus retroflexus · Source botanical description; original units and scope retained
- Leaves · “Deciduous” · NC Extension Plant Toolbox
- Life cycle · “Annual” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day)” · NC Extension Plant Toolbox
- Soil · “Moist” · NC Extension Plant Toolbox
- Soil pH · “Neutral” · NC Extension Plant Toolbox
Also known as
Redroot Amaranth; Redroot Pigweed
Conservation status
| Kentucky rank | SNA |
|---|---|
| Global rank | GNR |
| KY status | Not verified |
| Federal status | Not verified |
In your garden
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Sources
- tnky_atlas
- usda
- 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