Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.
Search native plant database:
Marcus, Joseph A.
Penstemon triflorus Heller
Hill Country Penstemon, Scarlet Penstemon, Heller's beardtongue
USDA Symbol: petr2
USDA Native Status: Native to U.S.
Hellerís beardtongue or Hill Country penstemon is 1 1/2-2 ft. tall. Its brilliant red flowers, 2 in. long, are among the most showy of the genus. Pairs of dark-green leaves occur opposite eachother along the stem. The two-lipped flowers also occur in pairs.
Small bushy stature, intense red color, and largeness of flowers set this penstemon apart from others.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf Arrangement: Opposite Leaf Pubescence:
Puberulent Leaf Margin: Dentate Inflorescence: Panicle
, Terminal Size Notes:
1.5-2 feet. Flower:
Flower up to an inch wide. Sepals
5 Fruit: Size Class:
Bloom InformationBloom Color: Red
Bloom Time: Apr , May
TX Native Distribution: Endemic
to the Edwards Plateau in TX Native Habitat:
Limestone hills; open areas USDA Native Status: L48(N)
Growing ConditionsWater Use:
Low Light Requirement:
Sun Soil Moisture:
Dry Soil Description:
Limestone soils. Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay, Limestone-based Conditions Comments:
Hill Country penstemon is a striking prairie or garden plant, and is another fabulous cut flower. Provides nectar
for butterflies and hummingbirds. Cut back the old seed stalks or allow them to reseed. Hybridizes with the closely related Penstemon cobaea. Small bushy stature, intense red color, and largeness of flowers set this Penstemon apart from others.
BenefitUse Ornamental: Perennial
garden, Blooms ornamental, Showy Conspicuous Flowers:
Hummingbirds Nectar Source:
PropagationPropagation Material: Seeds
Description: Propagation is by seed or cuttings.
Seed Collection: Collect seed mid-summer, making sure it has not had the opportunity to hybridize with P. cobea.
Seed Treatment: Germination is best with cold-moist stratification.
Commercially Avail: yes
Recommended Species Lists
Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.
View Recommended Species page
Record Modified: 2009-04-15
Research By: TWC Staff