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For successful seedlings,
see the growing notes at the bottom of the page!
Hairy beardtongue (Penstemon hirsutus) is a charming small perennial shrub that stands out among other penstemon species due to its hairy stem, from which it derives its name. Its tubular purple flowers are especially attractive to hummingbirds, which delight in its nectar, as well as to various bees. This penstemon is well-suited to rock gardens, thriving in poor and rocky soils. In addition to its ornamental appeal, hairy beardtongue serves as an effective trap plant, attracting beneficial predators and parasites that contribute to natural pest control in the garden.
Ecological Roles
Hairy beardtongue plays an important ecological role by supporting various pollinator species, including hummingbirds and bees, which are drawn to its rich nectar. Additionally, it serves as a host plant for the Baltimore checkerspot butterfly (Euphydryas phaeton), which relies on it for reproduction. By incorporating hairy beardtongue into naturalized gardens or rockeries, gardeners can support local biodiversity and promote natural balance by attracting beneficial insects that help pest control.
Hairy beardtongue seeds require cold stratification to ensure germination. See the cultivation notes below for more details.
Akène cannot assume any responsibility for the use of plants for therapeutic purposes. Always seek advice from a professional before using a medicinal or edible plant.
Sowing and Growing
Technical Details
Seeds per packet: 300
Family: Plantaginaceae
Scientific name: Penstemon hirsutus
Life cycle: Perennial
Hardiness zone: 4
Soil type: Sandy to silty
Soil moisture level: Dry to medium
Soil - additional attributes: Well-drained
Light: Sun, partial shade
Blooming: May to June
Spacing: 30 cm
Height: 45 cm
Deer resistance: High
Stratification: 60 days
Scarification: No
Germination time: 7 to 21 days
Sowing depth: Surface