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Broadbeard Beardtongue

Penstemon angustifolius

Last reviewed: August 2026

Broadbeard Beardtongue (Penstemon angustifolius)
Photo: (c) Bobby McCabe, some rights reserved (CC BY), uploaded by Bobby McCabe

Toxicity unknown

Broadbeard Beardtongue (Penstemon angustifolius) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Broadbeard Beardtongue is listed as toxic to grazing livestock (cattle, sheep, and goats) at a moderate level by the USDA PLANTS Database (opens in new tab). This is a livestock indicator and is separate from pet toxicity.

Light

full sun

Water

low

Size

6"–18" H × 6"–12" W

Bloom

May, Jun, Jul

Native to

AZ, CO, KS, MT and 7 more states

Pollinators

bees, butterflies

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 437 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Broadbeard beardtongue is a compact native perennial that produces spikes of tubular flowers in shades of blue, purple, or pink from May through July. This drought-tolerant plant forms neat clumps with narrow leaves and maintains a tidy appearance throughout the growing season.

In an HOA neighborhood

Broadbeard Beardtongue is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

  • Dies back completely in winter

Wildlife value

The tubular flowers are especially attractive to native bees and butterflies during the late spring and summer blooming period. Its long flowering season provides consistent nectar resources for pollinators.

Common questions

How much sun does Broadbeard Beardtongue need?
Broadbeard Beardtongue grows best in full sun conditions.
When does Broadbeard Beardtongue bloom?
Broadbeard Beardtongue blooms in May, June, and July.
Where is Broadbeard Beardtongue native?
Broadbeard Beardtongue (Penstemon angustifolius) is native to AZ, CO, KS, MT and 7 more states, per vouchered herbarium specimen records and regional native plant society lists.
Is Broadbeard Beardtongue toxic to livestock?
Broadbeard Beardtongue is listed as toxic to grazing livestock such as cattle, sheep, and goats (moderate severity) by the USDA PLANTS Database. This is separate from pet (dog and cat) toxicity.
What pollinators does Broadbeard Beardtongue attract?
Broadbeard Beardtongue draws bees and butterflies.
Is Broadbeard Beardtongue HOA-friendly?
Broadbeard Beardtongue is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Broadbeard Beardtongue? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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