Eastern Smooth Beardtongue
Penstemon laevigatus
In the Carolinas and Georgia, found in low meadows, bottomlands, forest edges, hammocks. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you
Native to Louisiana (estimated). How scores work Is it native here?
Profile 100%
- Height
- 1–4 feet
- Spread
- 2–3 feet
- Light
- Full sun
- Soil moisture
- Somewhat dry to moist
Space about 2.5 ft apart from its recorded spread, about 16 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?
At a glance
- Life cycle
- Perennial
- Leaves
- Deciduous
- Bloom
- Spring and summer
- Fruiting season
- July to August
Recorded in 5 Louisiana parishes.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Open, grassy or flowery ground that is not wet, such as mountain meadows; wet meadows are separate.
Floodplain and bottomland forests
Forests on low ground beside rivers and streams that flood from time to time.
Borders of forests, clearings and shrubby thickets.
Care
- Avoid overly wet or poorly drained soil.
Who uses this plant?
8CaterpillarsGenus host records with ranges including LA
Genus host records with ranges including LA · Penstemon
- Archirhoe neomexicanaNew Mexico Carpet
- Elaphria chalcedoniaChalcedony Midget
- Endothenia hebesanaVerbena Bud Moth
- Euphydryas phaetonThe Baltimore, The Black Checker
- Frederickia cydaMesquite Looper Moth
- Junonia coeniaCommon Buckeye
- Pyrrhia ciliscaAmerican Bordered Sallow, Noble Sun Moth
- Sparganothis sulfureanaSparganothis Fruitworm Moth, Sulfur Leafroller, False Yellow-Head
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
Beetles 1
- Trichius piger
Flower visits · Carlinville, Illinois, USA
Adult butterflies / moths 1
- Deilephila lineata
Flower visits · Carlinville, Illinois, USA
No records yet · Ants · Flies · Other wasps · Other insects
Plant details
- Family
- Plantaginaceae
- Hardiness
- Zones 5a–9b
- Soil pH
- Acidic
- Flower color
- Purple 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 · “Purple or white” · NC Extension Plant Toolbox
- Fruit begins · “July” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; NC Extension Plant Toolbox differs) · Carolinas and Georgia
- Fruit ends · “August” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; NC Extension Plant Toolbox differs) · Carolinas and Georgia
- Hardiness · “Zones 5a–9b” · NC Extension Plant Toolbox
- Height · “1–4 feet” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards differs)
- Leaves · “Deciduous” · NC Extension Plant Toolbox
- Life cycle · “Perennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day)” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, Virginia DCR Piedmont, Virginia DCR Coastal Plain differ)
- Soil · “Good drainage; Moist; Occasionally dry; Occasionally wet” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, Virginia DCR Piedmont, Virginia DCR Coastal Plain differ)
- Soil pH · “Acidic” · NC Extension Plant Toolbox
- Spread · “2–3 feet” · NC Extension Plant Toolbox
Also known as
Eastern Smooth Beard Tongue
Conservation status
| Louisiana rank | SNR |
|---|---|
| Global rank | G5 |
| LA 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.
Growing cautions
- Needs good drainage. Avoid overly wet or poorly drained soil. NC State Extension Plant Toolbox
For planning only; these do not change the score or Fit.
Sources
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition
- Louisiana 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