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Pineland Squarehead

Tetragonotheca helianthoides

Found in longleaf pine sandhills, sandy woodlands, open hammocks, calcareous glades, alluvial sand barren grasslands, roadsides. FloraQuest, phone app (app page) What its natural habitat tells you

17
Modest

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

Profile 94%

Height
Up to about 4 feet
Light
Partial shade, Full sun
Soil moisture
Dry to moist
Will it fit your yard?

Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source

Hidden from default planting suggestions. Wildlife value and native status remain unchanged.

At a glance

Life cycle
Perennial
Bloom
April to July

Not yet recorded · Spread · Leaves

Recorded in 7 Virginia counties.

Natural habitats

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

1 of 4

Glades, barrens and outcrops on limestone

Cedar glade in the Pennyroyal Plain, Simpson County
Limestone cedar glade. Shown: Pennyroyal Plain, Simpson County, Kentucky, a neighboring state.Cedar glade in the Pennyroyal Plain, Simpson County, Mason Brock (Masebrock), undated. Public domain. Source record.

Prairies and grasslands

Barrens native plants returning after prescribed fire, September 2020
Barrens grassland after a prescribed fire. Shown: Mammoth Cave National Park, Kentucky, a neighboring state.Barrens native plants returning after prescribed fire, September 2020, NPS Photo / Rick Olson, September 2020. Public domain. Source record.

Sandhills

Dry, deep-sand ridges with longleaf pine and turkey oak, kept open by fire.

Roadsides, fields and disturbed ground

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

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 122 animals.

All wildlife of Virginia

Ecological relationships

Who uses this plant?

What these records mean

0CaterpillarsGenus host records with ranges including VA
1BeesSoutheastern regional records

Southeastern regional records · Tetragonotheca

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
1Specialist beesPollen specialists

Pollen specialists · Tetragonotheca

  • Dianthidium simile
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
—BirdsRecorded genus food-resource interactions; not a state feeding claim

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

Growing and identification

Plant details

Family
Asteraceae
Flower color
Yellow or green
Growing sources and scope
  • Bloom · “April to July” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Flower color · “Yellow or green” · Lady Bird Johnson Wildflower Center
  • Height · “Up to about 4 feet” · Lady Bird Johnson Wildflower Center
  • Life cycle · “Perennial” · Lady Bird Johnson Wildflower Center
  • Light · “Partial shade; Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Soil · “Dry; Moist (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia

Conservation status

Virginia rankS1
Global rankG5
VA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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How to check your spot

Sources