Meadowsweet Spiraea × cinerea 'Grefsheim' shrub 30-40 pot C2

Size: Hoogtemaat leidend

30-40cm

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Pot 2 ltr. (C2)

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Spiraea × cinerea 'Grefsheim' 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
Frequently Asked Questions
Planting and care
Packaging and shipping

Genus
Spiraea (view all varieties)

Root type
Pot

Pot size
2 ltr. (C2)

Flowering months
April, May

Leaf colour
White

Possibilities
Border, Group planting, Solitary

Soil type
All soil types, well-drained

Positioning
Sun

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
1

Evergreen plants
No

Leaf colour
Green

Fragrant plants
No

Growth habit
Upright to bushy growth habit

Height at time of delivery excluding pot/clod
30-40

Mature height (cm)
170

Art. no.
1001129

Description

Spiraea × cinerea 'Grefsheim' | Meadowsweet

Introducing the meadowsweet, a graceful shrub that brings a touch of wild beauty to any garden setting. Known scientifically as Spiraea × cinerea 'Grefsheim', it is beloved for its cascades of white blooms that embellish the garden with a frothy display in early spring.

With a robust and bushy growth habit, 'Grefsheim' is an excellent choice for those looking to add a low-maintenance yet visually stunning element to their borders or as a standalone feature.

Key Features

Spiraea × cinerea 'Grefsheim' reaches an ultimate height of approximately 1.7 meters, presenting an upright to bushy growth that fills garden spaces with lush foliage.
The foliage color of this deciduous shrub transitions from shades of green, grey, and silver in spring to a consistent green during summer months.
Blooming prolifically in April and May, the white flowers of Spiraea × cinerea 'Grefsheim' create an enchanting effect, especially when planted in groups.
This variety of meadowsweet thrives in all well-drained soil types and prefers full sun to perform its best.
'Grefsheim' does not bear fruit, which makes it solely a decorative piece, focusing on the splendor of its flowers and foliage.
Its average water needs make it suitable for gardeners seeking a balance between beauty and easy care.

Tips

To ensure the health and vitality of Spiraea × cinerea 'Grefsheim', water regularly, especially during dry spells, as it is not drought-resistant.
Pruning should be done after flowering; since it blooms on old wood, trimming it in late spring or early summer will allow it to develop strong stems for the next year's display.
Propagation of 'Grefsheim' can be easily achieved through softwood cuttings in spring or early summer, allowing garden enthusiasts to multiply their meadowsweet shrubs and create a cohesive landscape design.

Ideal placement of a Spiraea × cinerea 'Grefsheim'

For optimal growth and flowering, Spiraea × cinerea 'Grefsheim' should be situated in a location that receives full sun. This exposure encourages the most prolific blooming and maintains the vigor of the shrub. The plant is adaptable to a variety of soil conditions but thrives best in well-drained soils. While it can tolerate average water needs, ensuring consistent moisture without waterlogging is key to its health and development. The plant's ultimate height of approximately 1.7 meters and its bushy growth habit make it an excellent choice for borders or group plantings where its spring white blossoms can be fully appreciated.

How do I plant a Spiraea × cinerea 'Grefsheim'?

For optimal establishment, Spiraea × cinerea 'Grefsheim' should be planted in well-drained soil, though it is tolerant of various soil types. This deciduous shrub thrives best in a location that receives full sun to encourage abundant flowering. When planting, ensure the hole is double the width of the pot and the same depth, allowing roots to spread easily. Place the shrub in the hole, fill with soil, and water thoroughly to settle the roots. An average amount of water will suffice for this variety, taking care to adjust for rainfall and seasonal changes.

Pruning a Spiraea × cinerea 'Grefsheim'

For Spiraea × cinerea 'Grefsheim', pruning should be done just after flowering to maintain the desirable shape and encourage healthy growth. Since this shrub blooms on old wood, pruning in late winter or early spring would remove the buds set the previous year, thus reducing the bloom. Trim lightly, focusing on removing any dead or weak stems to promote vigorous new growth. This selective approach will ensure the shrub's natural, bushy growth habit is preserved while enhancing its prolific spring blossoms.

Watering a Spiraea × cinerea 'Grefsheim'

For optimal growth and bloom, Spiraea cinerea 'Grefsheim' requires consistent moisture, particularly when establishing roots in a new location. While this variety can adapt to various soil types as long as they are well-drained, regular watering will support its development into an upright to bushy shrub. During periods of extended dryness, it is essential to ensure the soil does not become parched. Water deeply at the base to encourage a strong root network and reduce the need for frequent watering once the plant is well established.

Fertilising a Spiraea × cinerea 'Grefsheim'

To ensure the Spiraea × cinerea 'Grefsheim' thrives, a suitable fertilizing regimen is essential. Opt for a balanced, slow-release fertilizer, which should be applied in early spring to support the upcoming growth season. This timing coincides with the plant's natural surge of energy as it prepares to bloom with its characteristic white flowers.

A second application of fertilizer can be beneficial in midsummer, after the primary blooming period, to maintain health and vigor. It's important to follow the manufacturer's instructions regarding the quantity to avoid over-fertilization, which could harm the plant. Proper feeding not only promotes robust growth and an abundance of blooms but also fortifies the shrub against environmental stresses.

The characteristics of a Spiraea × cinerea 'Grefsheim'

Spiraea × cinerea 'Grefsheim' is a delight for enthusiasts of ornamental shrubs, offering an impressive display of white blooms each spring. This cultivar thrives in a range of soil types, provided they are well-draining. Its compact size makes it an excellent choice for smaller gardens or urban landscapes. Additionally, Spiraea × cinerea 'Grefsheim' has the remarkable ability to rejuvenate when pruned, ensuring a lush, vibrant presence in your garden for years to come.

What will be the height of Spiraea × cinerea 'Grefsheim'?

Spiraea × cinerea 'Grefsheim' will typically grow to a height of 1.7 meters when fully matured.

Which soil type is most suitable for the Spiraea × cinerea 'Grefsheim'?

Spiraea × cinerea 'Grefsheim' can adapt to various soil types, but it thrives best in well-drained soil. Ensuring proper drainage allows the plant to maintain optimal moisture levels, supporting its healthy growth and development.

What is the ideal positioning for the Spiraea × cinerea 'Grefsheim'?

Spiraea × cinerea 'Grefsheim' thrives in locations where it can receive ample sunlight. It is best suited for areas with direct exposure to sunlight, ensuring its healthy development and abundant flowering.

What is the flowering colour of the Spiraea × cinerea 'Grefsheim'?

The blossoms of Spiraea × cinerea 'Grefsheim' display a pure white hue, adding a touch of elegance to this lovely plant.

Is the Spiraea × cinerea 'Grefsheim' hardy?

Spiraea × cinerea 'Grefsheim' is indeed considered winter hardy. It can endure temperatures ranging from -20.6°C to -15.0°C, falling within the USDA hardiness zones 6b to 7a. This indicates that Spiraea × cinerea 'Grefsheim' is well-equipped to survive winters in a variety of climates, including those with moderately cold temperatures.

Is the Spiraea × cinerea 'Grefsheim' evergreen?

Spiraea × cinerea 'Grefsheim' is not an evergreen plant. It is deciduous, meaning it sheds its leaves during the autumn season and regrows them in the spring.

What is the growth strength of the Spiraea × cinerea 'Grefsheim'?

Spiraea × cinerea 'Grefsheim' is known for its gradual growth, taking approximately 10 to 20 years to reach its ultimate height. This slow and steady growth allows for the plant to establish its mature form over a longer period of time.

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