Creeping Jacob's ladder Polemonium reptans 'Blue Pearl' 5-10 pot P9

Size: Potmaat leidend

5-10cm

|

Pot 9x9 cm (P9)

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Available from: 03/02/2025

Number of m2

Nr. of plants

2.90

2.90 per piece

incl. VAT, excl. shipping costs (calculated in shopping cart)

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Nr. of plants

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2+ £3.20

6+ -1.6% £3.15

12+ -4.7% £3.05

24+ -6.3% £3.00

96+ -9.4% £2.90

Benefits according to our specialist

Plantable year-round
Low maintenance
Easy plant

Plant features
Description
Planting and care
Packaging and shipping

Genus
Polemonium (view all varieties)

Root type
Pot

Pot size
9x9 cm (P9)

Flowering months
April, May, June

Leaf colour
Blue

Possibilities
Border, Group planting

Soil type
All soil types, well-drained

Positioning
Semi-shade, Sun

Winter hardiness
-23,3°C / -20,6°C, USDA zone 6a

Fruit-bearing plants
No

Water needs
Average water

Number of plants per m²
9

Evergreen plants
No

Leaf colour
Green

Fragrant plants
No

Growth habit
Bushy spreading growth habit

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

Mature height (cm)
30

Art. no.
1000960

Description

Polemonium reptans 'Blue Pearl' | Creeping Jacob's ladder

The Polemonium reptans 'Blue Pearl', commonly referred to as the creeping Jacob's ladder, is a charming perennial known for its lush green foliage and striking blue flowers. This low-growing plant graces any garden with its bushy, spreading growth habit and is ideal for use in borders or as part of a group planting.

The 'Blue Pearl' variety entices with its vibrant blooms, typically flourishing in the spring and early summer months.

Key Features

Some of the remarkable features of the Polemonium reptans 'Blue Pearl' include:

This deciduous perennial reaches an ultimate height of approximately 30 cm, making it a perfect fit for garden borders without overpowering nearby plants.
It boasts a bushy spreading growth habit, which allows it to cover ground gracefully, adding texture and depth to garden designs.
The 'Blue Pearl' variety is particularly noted for its alluring blue flowers that appear from April to June, complementing the green foliage that remains vibrant through spring, summer, and autumn.
It requires no pruning, which makes it a low-maintenance option for gardeners.
The plant thrives in well-drained soil and can adapt to a range of soil types, flourishing in both sun and partial shade.

Tips

For optimal growth, ensure that the Polemonium reptans 'Blue Pearl' is planted in well-drained soil and is regularly watered, especially during drier periods, as it is not drought-resistant.
To encourage a healthy plant and to rejuvenate its growth, consider dividing the 'Blue Pearl' in the spring or autumn. This process allows the plant to spread and thrive in your garden space.
While the plant does not demand much care, keeping the soil consistently moist is key, so consider mulching to retain soil moisture and protect the roots.

Ideal placement of a Polemonium reptans 'Blue Pearl'

To thrive, Polemonium reptans 'Blue Pearl' requires an environment that offers sun or partial shade. This ensures the vibrant blue blossoms reach their full potential during the flowering months of April through June. While adaptable to all soil types, it is imperative that the chosen site provides well-drained conditions to prevent waterlogging, which this species does not tolerate well. Additionally, the bushy spreading growth habit of this plant makes it an excellent choice for borders or group plantings, where its full beauty can be appreciated without the need for pruning.

How do I plant a Polemonium reptans 'Blue Pearl'?

When planting Polemonium reptans 'Blue Pearl', select a location that receives full sun to partial shade. This species thrives in all soil types provided they are well-drained. Begin by digging a hole as deep as the pot and twice as wide, allowing space for the roots to spread. Carefully remove the plant from the container, ensuring minimal disturbance to the root ball. Position the plant in the hole, backfill with soil, and press down firmly. Water thoroughly to settle the soil around the roots. For optimal growth, maintain consistent moisture, especially during dry spells, but avoid waterlogging.

Pruning a Polemonium reptans 'Blue Pearl'

The Polemonium reptans 'Blue Pearl' is a low-maintenance specimen that thrives without the need for regular pruning. Its bushy spreading growth habit naturally forms an attractive shape, thereby eliminating the necessity for routine cutting back. Should any spent flowers remain post-bloom, they may be removed to promote a tidy appearance and potentially encourage a second flush of flowers. Dead or damaged foliage can be trimmed away to maintain plant health and aesthetic appeal.

Watering a Polemonium reptans 'Blue Pearl'

To ensure healthy growth and abundant flowering, Polemonium reptans 'Blue Pearl' requires consistent moisture, particularly during its bloom period from April to June. It is advisable to submerge the root ball in water when the soil feels dry to the touch. This species thrives with a thorough watering that reaches deep into the soil, promoting a robust root system. During the hotter months, it may be necessary to water more frequently, especially when planted in a pot, since soil in containers tends to dry out faster than garden soil.

Fertilising a Polemonium reptans 'Blue Pearl'

To ensure the lush, verdant foliage and vibrant blue blossoms of Polemonium reptans 'Blue Pearl' reach their full potential, a consistent fertilization routine is key. Begin by applying a balanced, slow-release fertilizer in early spring as the plant starts to show new growth. This initial feeding will kickstart the plant's energy needs for the impending blooming period. A second application of fertilizer may be beneficial in mid-summer to sustain the plant's vitality as it continues to flourish. It is important to follow the recommended dosage on the fertilizer package to avoid over-fertilization, which can lead to excessive foliage at the expense of flowers. Watering the plant thoroughly after fertilizing will help distribute the nutrients in the soil and reduce the chance of root burn.

The characteristics of a Polemonium reptans 'Blue Pearl'

While often admired for its delicate blue blooms, Polemonium reptans 'Blue Pearl' also offers a delightful textural contrast with its finely divided foliage. This plant appreciates a cool root zone, so mulching can be particularly beneficial in maintaining consistent soil moisture and temperature. As a clump-forming perennial, it's also well-suited for naturalizing in shady woodland gardens, where it can spread gently over time to create a serene undergrowth tapestry without overwhelming its companions.

Separating/dividing a Polemonium reptans 'Blue Pearl'

To maintain the health and vigor of Polemonium reptans 'Blue Pearl', division is recommended every few years. The process stimulates new growth and rejuvenates the plant. It is best to carry out division in the cooler months of spring or autumn. Gently lift the plant from the soil, ensuring to keep the root system intact. Once removed, separate the bushy clumps into smaller sections, each with ample roots and shoots. Replant these divisions promptly, spacing them adequately to accommodate their spreading growth habit. This practice not only propagates new plants but also prevents overcrowding, ensuring continued robust blooming.

What will be the height of Polemonium reptans 'Blue Pearl'?

Polemonium reptans 'Blue Pearl' typically reaches a height ranging from 10 to 50 centimeters when fully mature.

What will be the width of Polemonium reptans 'Blue Pearl'?

Polemonium reptans 'Blue Pearl' will reach a width of 10 centimeters to 50 centimeters at full maturity.

Which soil type is most suitable for the Polemonium reptans 'Blue Pearl'?

Polemonium reptans 'Blue Pearl' is well-suited to all soil types, provided that the soil is well-drained. Ensuring proper drainage will contribute to the optimal growth and health of this plant.

What is the ideal positioning for the Polemonium reptans 'Blue Pearl'?

The ideal location for Polemonium reptans 'Blue Pearl' is a place where it can receive ample sunlight as well as partial shade. This plant thrives in an environment where it can benefit from both direct sunlight and some protection from the intense midday sun.

What is the flowering colour of the Polemonium reptans 'Blue Pearl'?

The blossoms of Polemonium reptans 'Blue Pearl' display an enchanting blue hue, adding a touch of elegance to this particular plant variety.

Is the Polemonium reptans 'Blue Pearl' hardy?

Polemonium reptans 'Blue Pearl' is indeed winter hardy. It can endure temperatures as low as -23.3°C to -20.1°C, falling within the USDA hardiness zone 6a. This makes it suitable for withstanding the winter conditions in many regions, provided it is planted in an appropriate environment.

Is the Polemonium reptans 'Blue Pearl' evergreen?

Polemonium reptans 'Blue Pearl' is not an evergreen plant. It sheds its foliage at certain times of the year and regrows new leaves, following a deciduous pattern.

What is the growth strength of the Polemonium reptans 'Blue Pearl'?

Polemonium reptans 'Blue Pearl' is known for its moderate growth, typically reaching its full height within a span of two to five years. This gradual development allows for the plant to establish a strong and healthy root system before reaching its ultimate height.

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