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Eustis Lake Beardtongue

Penstemon australis

Found in longleaf pine sandhills, pine flatwoods, dry hammocks, dry sandy roadsides, woodland margins. Weakley, Flora of the Southeastern United States (2025), Florida edition What its natural habitat tells you

73
Strong

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

Profile 94%

Height
1–3 feet
Spread
1–1.25 feet
Light
Full sun, Partial shade
Soil moisture
Dry to somewhat dry

Space about 1 ft apart from its recorded spread, about 100 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
Spring and summer
Fruiting season
July to August

Not yet recorded · Leaves

Recorded in 33 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 5

Forest edges and thickets

Wooded scene looking out over partially open fields
Named place / source context. Shown: Chickamauga and Chattanooga National Military Park, Georgia and Tennessee; which part is not recorded, a neighboring state.Wooded scene looking out over partially open fields, Richard Schlecht, undated. Public domain. Source record.

Sandhills

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

Pine flatwoods

Flat, sandy Coastal Plain pine woodlands, wetter than sandhills and denser than savannas.

Coastal Plain hammocks

Dense, evergreen groves of live oak, magnolia and other hardwoods in the southern Coastal Plain, from dry oak domes to wet hydric hammocks and south Florida's tropical hammocks; salt-shaped maritime hammocks are maritime forests.

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 Florida. Shared habitat, not food. 79 animals.

All wildlife of Florida

Ecological relationships

Who uses this plant?

What these records mean

9CaterpillarsGenus host records with ranges including FL

Genus host records with ranges including FL · Penstemon

  • Archirhoe neomexicanaNew Mexico Carpet
  • Elaphria chalcedoniaChalcedony Midget
  • Endothenia hebesanaVerbena Bud Moth
  • Euphydryas phaetonThe Baltimore, The Black Checker
  • Junonia coeniaCommon Buckeye
  • Pyrrhia ciliscaAmerican Bordered Sallow, Noble Sun Moth
  • Sparganothis sulfureanaSparganothis Fruitworm Moth, Sulfur Leafroller, False Yellow-Head
  • Stenoptilodes taprobanesNarrow Plume Moth
  • Platphalonidia lavana
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
46BeesSoutheastern regional records

Southeastern regional records · Penstemon

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
2Specialist beesPollen specialists

Pollen specialists · Penstemon

  • Atoposmia abjecta
  • Osmia distincta
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
2BirdsRecorded genus food-resource interactions; not a state feeding claim

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

  • Meleagris gallopavoWild Turkey
  • Tympanuchus pallidicinctusLesser Prairie-Chicken
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
Plantaginaceae
Hardiness
Zones 5a–9b
Flower color
Green, pink or white
Fruit begins
July
Fruit ends
August

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

Growing sources and scope

Conservation status

Florida rankSNR
Global rankG5
FL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources