Authentic Wisconsin.  Large Beardtongue - Penstemon grandiflorus


Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.

Above: Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin (5/31/21).


Large Beardtongue - Penstemon grandiflorus

Large Beardtongue is a native plant that likes full sun and grows in dry areas like prairies, and in sandy, gravelly soil. It can grow up to 3' tall.

The Flower colors range from light pink to lavender with purple lines on the inside of the lower lip. The flowers as 5-parted and tubular in shape (2 1/2" long"). The flowers whorled around the stem in the upper part of the plant.

Blooms May - June

Other names: Large-flowered beard-tongue

Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.

Above: Large Beardtongue leaves and stalk.


For more information on Large Beardtongue (Penstemon grandiflorus) , visit Wikipedia.

Or, visit the UW-Madison Wisconsin State Herbarium website page about Large Beardtongue - Penstemon grandiflorus.


Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 25, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 25, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 26, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 28, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 28, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 28, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 28, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 28, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 29, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 29, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 29, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 2, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 2, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 2, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 2, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 2, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 2, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 2, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 2, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 2, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 3, 2021.
Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 4, 2021.

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Wisconsin Wildflowers


Large Beardtongue
Penstemon grandiflorus


Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 25, 2021.


Above: Large Beardtongue getting ready to bloom in the UW-Madison Arboretum in Madison, Wisconsin (5/25/21)


Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 26, 2021.


Above: Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin (5/26/21)


Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 28, 2021.


Above: Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin (5/28/21)


Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.

Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on May 31, 2021.


Above: Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin (5/31/21)


Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 2, 2021.

Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 2, 2021.

Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 2, 2021.


Above: Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin (6/02/21)


Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin on June 4, 2021.


Above: Large Beardtongue in the UW-Madison Arboretum in Madison, Wisconsin (6/04/21)


Large Beardtongue specimen collected in Rock County, Wisconsin on July  18, 1957.


Above: Large Beardtongue specimen collected in Rock County, Wisconsin on July 18, 1957.


Large Beardtongue botanical illustration circa 1913.


Above: 1913 botanical illustration of Large Beardtongue (Penstemon grandiflorus).



Large Beardtongue .

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