Penstemon 'Electric Blue'
Electric Blue Penstemon sparks interest in borders
Grown by Jack
Hereford
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Plant diary
- Flower
- Harvest
Penstemon 'Electric Blue'
- Electric blue flowers tinged with purple, on reddish stems
- Flowers all the way from June to September
- Perfect for the back or middle of borders
- Provides vibrant colour and height in a Cottage Garden planting scheme
- Attracts bees and butterflies
What to expect
Supplied as
Eventual height
Eventual spread
Flower colour
Habit
Hardiness
Spacing
Will this grow in my garden?
Can I grow this in a pot?
Yes, Penstemon 'Electric Blue' grows well in 30 cm pots, flowering for months in mild temperatures around 22°C.
How big does it get?
Penstemon 'Electric Blue' typically reaches a mature height of 45 cm and a spread of 45 cm.
How much sunlight does this need?
Penstemon 'Electric Blue' requires full sun or partial shade to flourish.
What kind of soil does this plant prefer?
Penstemon 'Electric Blue' prefers moist but well-drained, fertile soil, adapting well to standard garden conditions.
How much watering does this plant need?
Water Penstemon 'Electric Blue' regularly to keep the soil evenly moist, providing about 2.5 cm of water weekly during the growing season, and slightly more when temperatures surpass 25°C.
Will this plant need pruning?
No strict pruning is required, but Penstemon 'Electric Blue' generally benefits from deadheading faded flowers to encourage further blooming and cutting back dead foliage in late autumn or early spring.
How hardy is this plant?
Penstemon 'Electric Blue' has an RHS rating of H4, withstanding temperatures down to -10°C, making it hardy through most of the UK but it may require protection in the coldest areas.
The wider garden
Hereford
Meet Jack
Perennials born in Herefordshire, blooming in your garden
Our perennials start life in the rolling Herefordshire hills, where Jack and his team trial over 250 new varieties each year to bring you the best performing and most sustainable plants in the UK. With over forty years of excellence, it’s no surprise that they’ve won the HTA Plant Grower of the Year award two years running.
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