Large Flowered Beardtongue (Penstemon grandiflorus)

Large Flowered Beardtongue (Penstemon grandiflorus)

Penstemon grandiflorus, more commonly called Large-Flowered Beardtongue or more simply, Large Beardtongue, is a perennial flowering plant native to mostly just the central swath of the United States.

Large Flowered Beardtongue enjoys full sun, to partial shade, as well as poor soil conditions such as soil containing higher levels of rocky, sandy substrate.

At maturity, this gorgeous native is emblazoned with tubular pinkish purple blooms which bust profusely for just a few weeks in May and June.

Coinciding with this bloom is the arrival of this plants most energetic pollinator, Hummingbirds. Many native bees and butterflies visit these plants frequently as they provide high quality nectar that refills rapidly enough to feed everyone despite the possibility extremely dry conditions.

The Lakota name for this plant is kimi'milia tawana'hca, butterfly flower. The Dakota people are known for using the boiled root for chest pain. Other native people made a pulp from the crushed roots to treat toothaches from cavities, using the pulp to fill the cavity for treatment of pain.

Large Flowered Beardtongue is a rare sight in the wild, and is threatened or endangered in a few states within its native range, such as Michigan, Illinois, Missouri, Montana,and New Mexico.

Humans have also helped to spread this plant beyond its native range, so it is likely with our help, we can reinforce its presence in its traditional range. Humans have introduced this plant to the states of Ohio, Massachusetts, and Connecticut.

Plant Details

USDA Zones: 3-8

Germination Needs: 30 Days Cold Stratification, Seed prefers to germinate in cool soil

Life Cycle: Perennial

Sun Exposure: Full to Partial

Soil Moisture: Medium-Dry, Dry

Plant Spacing: ½-1 foot

Height: 2 feet

Bloom time: May, June

Bloom Color: Purple

Advantages

Pollinator Favorite: butterflies, moths, bees, wasps, beetles

Bird Favorite: seeds, insects, fruit, nectar, nesting, perchs.

Deer Resistant: Yes

Excellent in the home landscape!

Native to: Wisconsin, Indiana, Minnesota, Iowa, Illinois, Missouri, Texas, Oklahoma, Kansas, Nebraska, South Dakota, North Dakota, Montana, Wyoming, Colorado and New Mexico.

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Packet quantities:

We pride ourselves on ethical, hands on, ecological management, using no mechanical or chemical methods whatsoever.

All of our native seed is hand reared, hand picked, and hand packed from native prairies under our exclusive management, never breaking chain of custody from the field until it is sent to you. Each packet is hand prepared for shipment by us, directly.

Small seed species will contain greater than 20-25 seed

Large seed species will contain greater than 10-15 seed

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