Overview
Penstemon gormanii is a clump forming herbaceous perennial in the genus Penstemon, part of the Plantaginaceae family, with evergreen, semi-evergreen foliage. Penstemon gormanii grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H4. Suggested uses include cottage and informal garden, city and courtyard gardens, coastal, gravel garden, patio and container plants, wildlife gardens and flower borders and beds.
About
Penstemon gormanii, the Yukon beardtongue, is a plant species in the veronica family that grows in the far northwestern parts of North America in Alaska, the Yukon, Northwest Territories, and the northern edge of British Columbia. In the wild it grows across North America, Alaska, British Columbia, Northwest Territories, Yukon and other regions. Grow it in full sun and most soil types. In UK gardens it is hardy through an average UK winter (RHS H4). It works well for cottage and informal garden, city and courtyard gardens, coastal, gravel garden, patio and container plants, wildlife gardens and flower borders and beds. It tolerates soil of any pH, well-drained conditions and south-facing, west-facing and east-facing aspects. Plant in well-drained soil in sun or part shade.
Wikipedia contributors, CC BY-SA 4.0 — Penstemon gormanii
Growing conditions
Best soil and position for Penstemon
- Sunlight
- Full sun
- Soil type
- Loam, Chalk, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H4
Plant details
Penstemon gormanii size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Evergreen, Semi-evergreen
- Suggested uses
- Cottage and informal garden, City and courtyard gardens, Coastal, Gravel garden, Patio and container plants, Wildlife gardens, Flower borders and beds
Care notes
Pruning and caring for Penstemon gormanii
- Propagation
- Softwood cuttings in early summer, Semi-ripe cuttings in midsummer, Division in spring
- Pest resistance
- Slugs, Snails, Glasshouse red spider mite, Leaf and bud eelworms
- Disease resistance
- Powdery mildew, Rust, Leaf spots, Southern blight
Frequently asked questions
Where is the best place to plant Penstemon gormanii?
Penstemon gormanii prefers full sun. It suits exposed and sheltered positions.
What soil does Penstemon gormanii need?
Penstemon gormanii is adaptable and grows happily in most soil types, including loam, chalk and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Penstemon gormanii hardy in the UK?
Penstemon gormanii has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Penstemon gormanii?
Softwood cuttings in early summer, Semi-ripe cuttings in midsummer, Division in spring.
More in the Penstemon genus
- Penstemon 'Raven'Beardtongues

- Penstemon albidus

- Penstemon ambiguusgilia beardtongue

- Penstemon attenuatus

- Penstemon barbatus 'Schooley's Yellow'

- Penstemon centranthifoliusscarlet bugler

- Penstemon crandallii

- Penstemon cyananthus
