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), South Central edition What its natural habitat tells you
Native to Mississippi (estimated). 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 9 Mississippi counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Dry, deep-sand ridges with longleaf pine and turkey oak, kept open by fire.
Flat, sandy Coastal Plain pine woodlands, wetter than sandhills and denser than savannas.
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.
Who uses this plant?
8CaterpillarsGenus host records with ranges including MS
Genus host records with ranges including MS · 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
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
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
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
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
- Bloom · “Spring and summer” · NC Extension Plant Toolbox (ranked first; Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition differs)
- Flower color · “Green, pink or white” · NC Extension Plant Toolbox
- Fruit begins · “July” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Fruit ends · “August” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Hardiness · “Zones 5a–9b” · NC Extension Plant Toolbox
- Height · “1–3 feet” · NC Extension Plant Toolbox
- Life cycle · “Perennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox
- Soil · “Good drainage; Occasionally dry; Very dry” · NC Extension Plant Toolbox (ranked first; NC Extension Plant Toolbox differs)
- Spread · “1–1.25 feet” · NC Extension Plant Toolbox
Conservation status
| Mississippi rank | SNR |
|---|---|
| Global rank | G5 |
| MS 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.
Sources
- Weakley, Flora of the Southeastern United States (2025), South Central edition
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Mississippi 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