Trumpet Beard Tongue
Penstemon tubiflorus
Native status unresolved in Louisiana. How scores work Is it native here?
Profile 59%
- Height
- 1–2 feet
- Spread
- 1–1.5 feet
- Light
- Full to part sun
- Soil moisture
- Dry to average
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?No photograph yet. Looking for an old drawing…
At a glance
- Life cycle
- Perennial
Not yet recorded · Leaves · Bloom
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
Recorded in 12 Louisiana parishes.
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
—BeesSoutheastern regional records
2Specialist beesPollen specialists
Pollen specialists · Penstemon
- Atoposmia abjecta
- Osmia distincta
1BirdsRecorded eating Penstemon in Louisiana
Diet records by plant genus, from studies across North America. Not a record from this state. Birds whose range includes Louisiana, most records first.
- Wild Turkey1 diet record
Direct food only. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening
Birds that eat Penstemon 1
Diet records by plant genus, from studies across North America. Not a record from this state. Avian Diet Database (Hurlbert Lab), CC0 1.0.
- Wild TurkeyMeleagris gallopavo
Plant details
- Family
- Plantaginaceae
- Hardiness
- Zones 4–8
- Flower color
- White
What its natural habitat tells you
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Flower color · “White” · Lady Bird Johnson Wildflower Center
- Hardiness · “Zones 4–8” · Missouri Botanical Garden Plant Finder
- Height · “1–2 feet” · Tennessee Smart Yards (ranked first; Lady Bird Johnson Wildflower Center, Missouri Botanical Garden Plant Finder differ) · Published Tennessee growing guidance; exact cached scientific heading
- Life cycle · “Perennial” · Lady Bird Johnson Wildflower Center
- Light · “Full to part sun” · Tennessee Smart Yards (ranked first; Missouri Botanical Garden Plant Finder differs) · Published Tennessee growing guidance; exact cached scientific heading
- primary_flower_color · “white” · Lady Bird Johnson Wildflower Center
- Soil · “medium to dry” · Tennessee Smart Yards (ranked first; Missouri Botanical Garden Plant Finder differs) · Published Tennessee growing guidance; exact cached scientific heading
- Spread · “1–1.5 feet” · Missouri Botanical Garden Plant Finder
Also known as
Penstemon tubiflorus; White Wand Beard Tongue
Conservation status
| Louisiana rank | SNR |
|---|---|
| Global rank | Not available |
| 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.
Sources
- Weakley, Flora of the Southeastern United States (2025)
- 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