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Savanna Panicgrass

Phanopyrum gymnocarpon

Found in swamps; forests and woodlands; roadsides, fields and disturbed ground; streams, rivers and their banks; ponds, lakes and their shores; floodplain and bottomland forests; freshwater marshes. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

49
Good

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

Profile 88%

Height
Up to about 4 feet
Light
Partial shade, Full shade
Soil moisture
Wet to standing water
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
August to October

Not yet recorded · Spread · Leaves

Recorded in 25 Alabama counties.

Natural habitats

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

1 of 7

Swamps

Loblolly bay in a coastal swamp
Regional / representative. Shown: Southern coastal swamps, Florida to Virginia; state not identified, a neighboring state.Loblolly bay in a coastal swamp, Marian Ellis Rowan, 1901. Public domain. Source record.

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.

Ponds, lakes and their shores

Georgia pond and emergent wetland
Regional / representative. Shown: Chattahoochee River National Recreation Area, Georgia; representative pond ecosystem, a neighboring state.Georgia pond and emergent wetland, Robert 'Bob' Hynes, 1997. Public domain. Source record.

Freshwater marshes

Georgia pond and emergent wetland
Regional / representative. Shown: Chattahoochee River National Recreation Area, Georgia; representative pond ecosystem, a neighboring state.Georgia pond and emergent wetland, Robert 'Bob' Hynes, 1997. Public domain. Source record.

Roadsides, fields and disturbed ground

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

Streams, rivers and their banks

Flowing water and its banks, bars and rocky shoals.

Floodplain and bottomland forests

Forests on low ground beside rivers and streams that flood from time to time.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 130 animals.

All wildlife of Alabama

Ecological relationships

Who uses this plant?

What these records mean

24CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Panicum

  • Anatrytone loganDelaware Skipper, Logan Skipper, Black-Vein Skipper
  • Ancyloxypha numitorLeast Skipper
  • Dargida diffusaWheat Head Armywotm Moth
  • Dargida rubripennisThe Pink-Streak
  • Hesperia attalusDotted Skipper
  • Hesperia leonardusLeonard's Skipper, Blazing Star Skipper, Pawnee Prairie Skipper, Pawnee Montane Skipper
  • Hylephila phyleusFiery Skipper
  • Hypena scabraGreen Cloverworm Bomolocha, Black Snout
  • Lerema acciusClouded Skipper, Corn Leaf tier
  • Lethe anthedonNorthern Pearly Eye
Show all 24
  • Leucania adjutaAdjutant Wainscot
  • Leucania linitaReed Wainscot, Linen Wainscot
  • Lon hobomokHobomok Skipper
  • Marimatha nigrofimbriaBlack-Bordered Lemon
  • Mocis latipesSmall Mocis, Striped Grass Looper
  • Mocis texanaTexas Mocis
  • Mythimna unipunctaArmyworm Moth, White Speck
  • Panoquina ocolaOcola Skipper, Long-Winged Skiiper
  • Papaipema nebrisStalk Borer
  • Poanes viatorBroad-Winged Skipper
  • Polites egeremetNorthern Broken-Dash
  • Polites themistoclesTawny-Edged Skipper
  • Spodoptera frugiperdaFall Armyworm Moth
  • Idioglossa miraculosa
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
35BirdsRecorded genus food-resource interactions; not a state feeding claim

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

  • Acanthis flammeaCommon Redpoll
  • Agelaius phoeniceusRed-winged Blackbird
  • Aix sponsaWood Duck
  • Anas creccaGreen-winged Teal
  • Anthus rubescensAmerican Pipit
  • Anthus spragueiiSprague's Pipit
  • Aythya collarisRing-necked Duck
  • Calcarius lapponicusLapland Longspur
  • Calcarius ornatusChestnut-collared Longspur
  • Calcarius pictusSmith's Longspur
Show all 35
  • Callipepla gambeliiGambel's Quail
  • Colinus virginianusNorthern Bobwhite
  • Columbina passerinaCommon Ground Dove
  • Contopus virensEastern Wood-Pewee
  • Cyrtonyx montezumaeMontezuma Quail
  • Dendrocygna bicolorFulvous Whistling-Duck
  • Dolichonyx oryzivorusBobolink
  • Fulica americanaAmerican Coot
  • Gallinula galeataCommon Gallinule
  • Junco hyemalisDark-eyed Junco
  • Mareca streperaGadwall
  • Meleagris gallopavoWild Turkey
  • Molothrus aterBrown-headed Cowbird
  • Passer domesticusHouse Sparrow
  • Peucaea aestivalisBachman's Sparrow
  • Plectrophenax nivalisSnow Bunting
  • Pooecetes gramineusVesper Sparrow
  • Porzana carolinaSora
  • Quiscalus quisculaCommon Grackle
  • Sialia sialisEastern Bluebird
  • Spizella passerinaChipping Sparrow
  • Spizella pusillaField Sparrow
  • Turdus migratoriusAmerican Robin
  • Xanthocephalus xanthocephalusYellow-headed Blackbird
  • Zenaida macrouraMourning Dove
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

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

Growing and identification

Plant details

Family
Poaceae
Flower color
Green or brown

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

Growing sources and scope
Also known as

Panicum gymnocarpon; Savannah Panic Grass; panicgrass

Conservation status

Alabama rankSNR
Global rankG5
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources