Overview
Penstemon 'King George' is a perennial in the genus Penstemon, part of the Plantaginaceae family. Penstemon 'King George' grows best in full sun, and tolerates well-drained soils. Its UK hardiness is rated H5. Suggested uses include borders, containers and pollinator gardens.
About
A perennial penstemon cultivar with large, tubular, bright red flowers and dark green foliage, typically blooming in summer.
About the genus
Penstemon, the beardtongues, is a large genus of roughly 280 species of flowering plants native to North America from northern Canada to Central America. It is the largest genus of flowering plants endemic to North America. As well as being the scientific name, penstemon is also widely used as a common name for all Penstemon species alongside beardtongues.
Wikipedia contributors, "Penstemon", CC BY-SA 4.0 — Penstemon
Growing conditions
Best soil and position for Penstemon
- Sunlight
- full sun
- Soil type
- well-drained
- Soil moisture
- moderate
- UK hardiness
- H5
Plant details
Penstemon 'King George' size, habit and characteristics
- Plant type
- perennial
- Suggested uses
- borders, containers, pollinator gardens
Care notes
Pruning and caring for Penstemon 'King George'
- Cultivation
- Prefers well-drained soil and full sun; avoid waterlogging.
- Pruning
- Cut back after flowering to encourage bushiness and prevent legginess.
- Propagation
- seed, cuttings
Frequently asked questions
How do I grow Penstemon 'King George'?
Prefers well-drained soil and full sun; avoid waterlogging.
Where is the best place to plant Penstemon 'King George'?
Penstemon 'King George' prefers full sun.
What soil does Penstemon 'King George' need?
Penstemon 'King George' grows best in well-drained soil. Aim for soil that stays moderate.
How do I prune Penstemon 'King George'?
Cut back after flowering to encourage bushiness and prevent legginess.
Is Penstemon 'King George' hardy in the UK?
Penstemon 'King George' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Penstemon 'King George'?
Seed, cuttings.
More in the Penstemon genus
- Penstemon 'Raven'Beardtongues

- Penstemon campanulatusbellflower beardtongue

- Penstemon campanulatus 'Andenken an Hahn'Penstemon

- Penstemon campanulatus 'Evelyn'Beardtongue

- Penstemon campanulatus 'Garnet'Penstemon

- Penstemon campanulatus 'Hidcote Pink'Beardtongue

- Penstemon campanulatus 'Pink Endurance'Beardtongue

- Penstemon cyananthusBlue Penstemon
