Penstemon cobaea — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Penstemon cobaea

Penstemon Cobaea

Updated · 166 observations
ON THIS PLANT

Penstemon cobaea is a flowering plant in the plantain family, commonly known as cobaea beardtongue, prairie beardtongue or foxglove penstemon. The plant is native to the central United States, primarily the Great Plains from Nebraska to Texas, with additional populations in the Ozarks of Missouri and Arkansas. There are also populations reported in the southwestern United States as well as in Illinois and Ohio, but these appear to be introductions.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Penstemon
Family
Plantaginaceae
Hardiness Zone
2-13
Mature Height
30 cm to 91 cm
Mature Spread
61 cm
Leaf Color
Green
Leaf Type
Evergreen, Semi-evergreen
Flower Color
White, Lavender
Flower Size
2.54 cm to 7.62 cm
Bloom Time
Mid spring, Late spring, Early summer
Planting Time
Spring, Summer, Autumn
Harvest Time
Summer
ALSO KNOWN AS

Other names.

en Cobaea beardtongue en Cobaea penstemon en Foxglove penstemon en Prairie beardtongue
PLATES
Penstemon cobaea leaf
PLATE 01 · leaf
Penstemon cobaea leaf
PLATE 02 · leaf
Penstemon cobaea flower
PLATE 03 · flower
Penstemon cobaea flower
PLATE 04 · flower
ALSO IN THE LIBRARY

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