About Penstemon ‘King George’
Penstemon ‘King George’ is a hardy, semi‑evergreen perennial known for its bold flower colour and extended flowering period. It produces upright stems carrying rich red, trumpet‑shaped flowers with subtle darker markings, held above narrow, lance‑shaped green foliage.
Plants form tidy clumps and gradually increase in size, making them suitable for structured borders as well as informal planting. With regular maintenance, flowering can continue from early summer through to autumn.
Key characteristics include:
- Deep red tubular flowers
- Upright, clump‑forming habit
- Long flowering season
- Strong pollinator appeal
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Growing Penstemon ‘King George’
Penstemon ‘King George’ thrives in warm, open positions with good drainage.
Growing requirements:
- Light: Full sun
- Soil: Free‑draining soil
- Water: Moderate watering; avoid prolonged wet conditions
- Maintenance: Deadhead spent flowers to promote repeat blooming
Improving drainage in heavier soils helps protect plants through winter and supports long‑term performance.
Where to Use Penstemon ‘King George’
This variety is well suited to:
- Mixed herbaceous borders
- Cottage and wildlife gardens
- Gravel and dry borders
- Large containers and patio displays
It pairs well with ornamental grasses, salvias, echinacea, rudbeckia, and other summer‑flowering perennials.
Embedded Links
Penstemon Plants Available from Dartana Plants
General Perennial Growing Advice
Pollinator‑Friendly Garden Advice
