Wildflower Archive

woodland wildflower

Beardlip Penstemon

Penstemon barbatus

Also known as Scarlet Bugler, Beard-lip Penstemon, Beard-lip Beardtongue, Red Penstemon, Red Beardtongue, Goldenbeard Penstemon, Goldenbeard Beardtongue, Saint Joseph's Staff, Varita De San Jose

Beardlip Penstemon (Penstemon barbatus)1 of 2
Mary Vaux Walcott

Native to Arizona, Colorado, New Mexico, Texas, and Utah

Sonora in Mexico, north through Arizona, New Mexico, and western Texas to Utah and Colorado

  • Light Partial shade Sun tolerance
  • Moisture Dry Moisture preference
  • Zones n/a Cold to heat range
  • Bloom Jun–Oct Flowering time
  • Height up to 3 ft to 0.9 m
  • Life cycle Perennial Annual to perennial
Full details, see below

In the garden

A woodland wildflower for partial shade and lean, dry soil. At up to 3 ft, it suits shade gardens and woodland edges.

Growing conditions

Light
Full sun Partial shade Full shade
Moisture
Dry Moist Wet

Pollinators & wildlife

  • Bees Common Eastern Bumble Bee also Brown-belted Bumble Bee, Two-spotted Bumble Bee, Nevada Bumble Bee
  • Hummingbirds Ruby-throated Hummingbird also Rufous Hummingbird, Broad-billed Hummingbird, Broad-tailed Hummingbird
  • Butterflies Anise Swallowtail also Persius Duskywing, Yvretta rhesus
  • Also visited by
    • Moths: Meris alticola

Butterflies that use this plant

Documented host and nectar records. Each links to a planting guide for that butterfly.

Full plant details

Where it grows

Habitat
WoodlandThe wild plant community it grows in.
Native range
Arizona, Colorado, New Mexico, Texas, and UtahUnited States (5): AZ, CO, NM, TX, UT. Where it grows wild on its own, by state and province.
Native distribution
Sonora in Mexico, north through Arizona, New Mexico, and western Texas to Utah and ColoradoThe same native range, usually more exact than the state list, and often noting where it has spread beyond it.

Growing conditions

Light
Partial shadeHow much sun it takes, from full sun to full shade.
Moisture
DryThe soil dampness it prefers, from dry to wet.
Soil
Rocky soilsThe soils it grows in naturally.
Water use
LowHow thirsty it is, a rough guide to how often to water.

Growth & form

Height
up to 3 ft (to 0.9 m)Typical mature height.
Life cycle
PerennialWhether it lives a single season (annual), two (biennial), or returns for years (perennial).

Flowers, foliage & fruit

Type
WildflowerWhat kind of plant it is.
Bloom
Jun–OctWhen it flowers.
Flower color
RedThe bloom color, or colors.
Fruit/Seeds
CapsuleThe seed or fruit it sets after flowering.
Toxicity
None knownWhether any part is poisonous to people or pets.