Narrow-leaved lungwort Pulmonaria angustifolia 'Blue Ensign' 5-10 pot P9

Size: Potmaat leidend

5-10cm

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Pot 9x9 cm (P9)

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Pulmonaria angustifolia 'Blue Ensign' Can be planted now
Careful and fast delivery throughout the United Kingdom

Benefits according to our specialist

Rich flowering
Low maintenance
Easy plant

Plant features
Description
Planting and care
Packaging and shipping

Genus
Pulmonaria (view all varieties)

Root type
Pot

Pot size
9x9 cm (P9)

Flowering months
March, April, May

Leaf colour
Blue

Possibilities
Border, Group planting, Edge planting

Soil type
All soil types, well-drained

Positioning
Semi-shade, Shade

Winter hardiness
-20,6°C / -15,0°C , USDA zone 6b/7a

Fruit-bearing plants
No

Water needs
Average water

Number of plants per m²
9

Evergreen plants
Yes

Leaf colour
Green

Fragrant plants
No

Growth habit
Creeping wide-spreading growth habit

Height at time of delivery excluding pot/clod
5-10

Mature height (cm)
30

Art. no.
1001019

Description

Pulmonaria angustifolia 'Blue Ensign' | Narrow-leaved lungwort

The enchanting Pulmonaria angustifolia 'Blue Ensign' is a must-have for any garden enthusiast looking to add a splash of color to their shady garden spots. Known commonly as the narrow-leaved lungwort, this herbaceous perennial offers a lush green backdrop to its strikingly vibrant blue blooms. Its low-growing, creeping habit makes it ideal for use in borders, group plantings, or as an edge plant.

With its ability to remain evergreen in milder climates, Pulmonaria angustifolia 'Blue Ensign' provides a year-round display of foliage, making it a versatile addition to your garden.

Key Features

The narrow-leaved lungwort is celebrated for its vivid blue flowers, which emerge in the early spring months and can continue to grace your garden through to May.
This variety of Pulmonaria is particularly noted for its lush green foliage, which remains constant from spring through winter, adding a persistent verdant presence in your garden.
With an ultimate height of approximately 30 cm, it contributes to a structured yet naturalistic aesthetic in the landscape.
The 'Blue Ensign' thrives in partial to full shade, making it an excellent choice for those challenging spots in your garden that are deprived of direct sunlight.
While it prefers well-drained soil, this plant is adaptable to a variety of soil types, ensuring that you can incorporate it into different areas of your garden with ease.
It has an average water need and is not drought-resistant, necessitating regular watering during dry spells.
The plant exhibits a creeping and widespread growth habit, which allows it to cover ground gracefully and fill in garden spaces efficiently.

Tips

To maintain the health and vigor of your Pulmonaria angustifolia 'Blue Ensign', consider dividing the plant every few years. This process rejuvenates the plant and can help to prevent overcrowding.
When planting, ensure that the soil is well-drained to prevent waterlogging, which could harm the plant.
Regular watering is essential, especially during periods of dry weather, to keep the soil consistently moist.
Although minimal maintenance is required, removing spent flowers after blooming can encourage a tidier appearance and possibly prolong the flowering period.
If you wish to propagate your 'Blue Ensign', division is the preferred method and should ideally be carried out in the cooler months of spring or autumn for the best results.

Ideal placement of a Pulmonaria angustifolia 'Blue Ensign'

For optimal growth, Pulmonaria angustifolia 'Blue Ensign' flourishes in locations that offer partial shade to full shade. The plant's preference for cooler, sheltered spots makes it an excellent choice for underplanting beneath deciduous trees or north-facing garden borders. While it can adapt to various soil types, ensuring that the soil is well-drained will contribute to its health and vigor. This creeping perennial maintains its lush green foliage throughout the seasons, creating a verdant ground cover even when not adorned with its striking blue spring blossoms. Regular watering will support its growth, particularly in drier conditions, as it does not possess drought resistance.

How do I plant a Pulmonaria angustifolia 'Blue Ensign'?

For successful establishment, Pulmonaria angustifolia 'Blue Ensign' should be planted in well-drained soil, accommodating its preference for either partial shade or full shade. This makes it an excellent choice for underplanting in woodland gardens or shaded borders. The plant's root system, nurtured within a pot, allows for flexible planting schedules. Upon planting, ensure the soil is kept moist to support the plant's average water needs. Its creeping, widespread growth habit will gradually cover the ground, providing a lush understorey of green foliage throughout the year, while its striking blue flowers emerge to herald the spring season.

Pruning a Pulmonaria angustifolia 'Blue Ensign'

Pruning of Pulmonaria angustifolia 'Blue Ensign' is quite minimal. To promote vigour and maintain a tidy appearance, it's recommended to remove any old or damaged leaves after flowering in May. This simple step encourages fresh foliage to emerge, keeping the plant's creeping, widespread growth habit looking its best. As the plant is deciduous, it will naturally shed its foliage, which can then be cleared away to maintain cleanliness around the border or planting area.

Watering a Pulmonaria angustifolia 'Blue Ensign'

Pulmonaria angustifolia 'Blue Ensign' thrives with consistent moisture, especially when grown in partial shade to shade. It requires an average amount of water, but be vigilant to prevent the soil from becoming waterlogged. During the growing season, especially in the drier months, ensure the soil remains moist to the touch. Watering should be done at the base to avoid wetting the foliage, which can be done in the early morning to allow any excess moisture to evaporate throughout the day. In shaded conditions, evaporation is slower, so careful monitoring is key to maintain the ideal moisture level.

Fertilising a Pulmonaria angustifolia 'Blue Ensign'

To support the health and vigor of Pulmonaria angustifolia 'Blue Ensign', it is beneficial to fertilize in early spring just before the onset of the flowering period. Apply a balanced, slow-release fertilizer that will provide a steady supply of nutrients throughout the growing season. Given its creeping, widespread growth habit, ensuring an even distribution of fertilizer around the plant will promote uniform development.

In addition to the initial spring feeding, a second application of fertilizer can be made after the first flush of flowers has subsided. This will not only encourage a potential secondary bloom but also contribute to the evergreen foliage maintaining its lush, green appearance. Always follow the recommended dosage on the fertilizer packaging to avoid overfeeding, which can lead to excessive growth at the expense of blooms.

The characteristics of a Pulmonaria angustifolia 'Blue Ensign'

Pulmonaria angustifolia 'Blue Ensign' thrives in the dappled light of woodland settings, its vibrant blue flowers a beacon of early spring. This species is particularly noted for its remarkably silver-spotted foliage, which remains attractive throughout the growing season. Enrich the surrounding soil with organic matter to support its vigorous growth and ensure it receives adequate moisture during dry spells. This plant's clumping habit makes it an excellent ground cover or border addition, blending harmoniously with other shade-loving perennials.

Separating/dividing a Pulmonaria angustifolia 'Blue Ensign'

To maintain the health and vigor of Pulmonaria angustifolia 'Blue Ensign', division is recommended. This process rejuvenates the plant, promoting new growth. It is best to undertake this task in the cooler months of spring or autumn. Carefully lift the plant from the soil, ensuring to keep the root structure intact. Once removed, gently separate the plant into smaller clumps, ensuring each has a good portion of roots. Replant these divisions promptly, spacing them adequately to accommodate their creeping growth habit. This technique not only propagates new plants but also prevents overcrowding, ensuring continued robust performance.

What will be the height of Pulmonaria angustifolia 'Blue Ensign'?

Pulmonaria angustifolia 'Blue Ensign' typically grows to a height ranging from 10 to 50 centimeters.

What will be the width of Pulmonaria angustifolia 'Blue Ensign'?

Pulmonaria angustifolia 'Blue Ensign' will reach a maximum width ranging from 10 to 50 centimeters at full maturity.

Which soil type is most suitable for the Pulmonaria angustifolia 'Blue Ensign'?

Pulmonaria angustifolia 'Blue Ensign' can thrive in a variety of soil types as long as the soil is well-drained. This ensures that the plant's roots are not waterlogged, promoting healthy growth and development.

What is the ideal positioning for the Pulmonaria angustifolia 'Blue Ensign'?

The ideal location for Pulmonaria angustifolia 'Blue Ensign' is an area with partial shade or shade. This plant thrives in environments where direct sunlight is limited, such as under the canopy of larger plants or in areas with reduced light exposure.

What is the flowering colour of the Pulmonaria angustifolia 'Blue Ensign'?

The flowering color of Pulmonaria angustifolia 'Blue Ensign' is a captivating blue hue. The delicate flowers add a touch of elegance to this variety of Pulmonaria.

Is the Pulmonaria angustifolia 'Blue Ensign' hardy?

Yes, Pulmonaria angustifolia 'Blue Ensign' is considered winter hardy. With a tolerance for temperatures as low as -20.6°C to -15.0°C, it falls within the USDA hardiness zones 6b to 7a. This indicates that the plant can endure the winter season in regions falling within these zones, provided it is not exposed to temperatures below the indicated range.

Is the Pulmonaria angustifolia 'Blue Ensign' evergreen?

Indeed, Pulmonaria angustifolia 'Blue Ensign' is evergreen. This means that the plant maintains its foliage throughout the year, offering a continuous green presence in your garden or landscape.

What is the growth strength of the Pulmonaria angustifolia 'Blue Ensign'?

Pulmonaria angustifolia 'Blue Ensign' typically reaches its full height within a period of two to five years. This plant displays a moderate growth rate, gradually achieving its ultimate stature over a few years.

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