Penstemon Electric Blue
Penstemon Electric Blue
Beardtongue
Penstemon 'Electric Blue' is a standout perennial that produces masses of striking electric-blue flowers with contrasting white throats from late spring through summer. Its vivid flower colour is rare in the garden and creates an eye-catching display that attracts bees and other beneficial pollinators while adding vibrant colour to borders, cottage gardens and containers.
With its compact, upright habit and long flowering season, Penstemon Electric Blue is an easy-care perennial that delivers months of colour with minimal maintenance. It is perfect for gardeners looking to introduce bold blue tones into their planting scheme.
Why You'll Love Penstemon Electric Blue
- Stunning electric-blue flowers
- Long flowering season from late spring through summer
- Excellent pollinator-friendly plant
- Compact and easy-to-grow habit
- Perfect for borders, pots and cottage gardens
- Great cut flower potential
- Adds rare blue colour to the garden
- Low-maintenance and reliable
- Expected 5 Year Height 0.7 M Width 0.6 M
Is Penstemon Electric Blue suitable for my garden?
Is Penstemon Electric Blue suitable for my garden?
Penstemon Electric Blue is best suited in a position that gets
- Full sun
- Partial shade
Penstemon Electric Blue is
- Perennial
- Drought resistant once established
- Frost Tolerant
- Attracts pollinators
- Cold hardy
- Evergreen
- Flowering
Penstemon Electric Blue will thrive in soil that is
- Free draining
- Nutrient rich
How to establish your Penstemon Electric Blue?
How to establish your Penstemon Electric Blue?
Plant Penstemon Electric Blue in a full sun to part shade position.
For the strongest growth and best flowering display, choose a location that receives at least six hours of sunlight each day.
In warmer climates, light afternoon shade can help extend the flowering period.
How to maintain your Penstemon Electric Blue once established?
How to maintain your Penstemon Electric Blue once established?
Water regularly during establishment.
Once established, Penstemon Electric Blue is relatively drought tolerant but benefits from occasional deep watering during prolonged dry periods.
Avoid overwatering, particularly during winter.
For healthy growth and continuous flowering:
Apply compost or organic matter in spring.
Use a balanced slow-release fertiliser at the beginning of the growing season.
Avoid excessive nitrogen-rich fertilisers.
Regular deadheading helps encourage repeat flowering.
Simply remove spent flower spikes back to a healthy set of leaves once flowering fades.
This promotes fresh growth and prolongs the flowering season.
During the Growing Season
Remove faded flower stems regularly.
Trim lightly if plants become untidy.
Late Winter to Early Spring
Leave old stems in place over winter to help protect the crown.
Cut back old growth once new shoots emerge in spring.
Remove any frost-damaged stems.
Penstemon Electric Blue tolerates moderate frosts once established.
For best winter performance:
Ensure good drainage.
Avoid winter waterlogging.
Apply a light mulch in colder regions.
Leave top growth intact until spring.
Growing in Containers
Penstemon Electric Blue grows beautifully in pots and containers.
For best results:
Use a quality free-draining potting mix.
Position in full sun.
Water regularly during dry weather.
Feed lightly throughout the growing season.
Couldn't load pickup availability