Mississippi penstemon, Smooth white beardtongue, Talus slope penstemon, Foxglove beardtongue
Scrophulariaceae (Figwort Family)
Flaigg, Norman G.
The foliage of this robust perennial
can be semi-evergreen
in the South. Its erect, 2-5 ft. stems are topped with stalked clusters of white, tubular, unevenly five-lobed flowers which rise in pairs from the upper leaf axils.
Some authorities say this species was originally indigenous only to areas in the Mississippi Basin.
Image Gallery: 19 photo(s) available
Plant CharacteristicsDuration: Perennial Habit: Herb Root Type: Tap Leaf Retention: Semi-evergreen Size Notes:
18 inches to 3 feet Flower:
Flowers 1 inch long
Tan Size Class:
Bloom InformationBloom Color: White
Bloom Time: May , Jun , Jul
Bloom Notes: White with purple lines in throat for bees.
, DC Canada: NB
, QC Native Distribution: ME
s. to VA, AL
& e. TX. Some authorities say its original distribution was limited to the Mississippi River basin. Native Habitat:
Low, moist areas; prairies; open woodlands
Growing ConditionsWater Use: Low , Medium , High
Light Requirement: Sun , Part Shade
Soil Moisture: Wet , Moist , Dry
Soil pH: Acidic (pH<6.8)
CaCO3 Tolerance: Low
Soil Description: Fertile, well-drained loams, clay loams, and sand. Acid preferably but tolerates lime.
Conditions Comments: Will tolerate dry shade.
BenefitUse Ornamental: A great bloomer for clay loam in areas with poor drainage.
Use Wildlife: Hummingbirds and bumblebees
Conspicuous Flowers: yes
Nectar Source: yes