Summer sweet Clethra alnifolia 'Pink Spire' shrub 30-40 pot C3

Size: Hoogtemaat leidend

30-40cm

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Pot 3 ltr. (C3)

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Clethra alnifolia 'Pink Spire' Can be planted now
Careful and fast delivery throughout the United Kingdom

Benefits according to our specialist

Plantable year-round
Low maintenance
Easy plant

Plant features
Description
Frequently Asked Questions
Planting and care
Packaging and shipping

Genus
Clethra (view all varieties)

Root type
Pot

Pot size
3 ltr. (C3)

Flowering months
July, August

Leaf colour
Pink, White

Possibilities
Border, Group planting, Solitary

Soil type
All soil types, well-drained

Positioning
Semi-shade, Shade, Sun

Winter hardiness
-15,0°C / -9,4°C, USDA zone 7b/8a

Fruit-bearing plants
No

Water needs
Average water

Number of plants per m²
1

Evergreen plants
No

Leaf colour
Green

Fragrant plants
Yes

Growth habit
Upright to bushy growth habit

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

Mature height (cm)
200

Art. no.
1000266

Description

Clethra alnifolia 'Pink Spire' | Summer sweet

The Clethra alnifolia 'Pink Spire', commonly known as summer sweet, is a delightful deciduous shrub that brings a touch of elegance to any garden. With its upright to bushy growth, it is ideal for creating a fragrant border or group planting, and it certainly holds its own as a solitary feature. This charming variety blooms profusely with pink flowers during the summer months, which not only adds visual interest but also emits a captivating aroma.

Key Features

The Clethra 'Pink Spire' is celebrated for its lovely pink blooms that appear in the summer and continue to grace the shrub into autumn.
This species adapts well to a range of soil types, provided they are well-drained, ensuring versatility in garden placement.
Whether situated in sun, partial shade, or shade, 'Pink Spire' thrives, giving gardeners flexibility in landscaping decisions.
The 'Pink Spire' not only offers visual appeal with its green foliage throughout the growing seasons but also entices with its sweet fragrance.
Reaching an ultimate height of approximately 2 meters, it fits beautifully into a variety of garden spaces without overwhelming the landscape.
Although it is not evergreen, its deciduous nature allows for the enjoyment of seasonal changes within the garden.

Tips

Ensure to provide your Clethra alnifolia 'Pink Spire' with average water, especially during dry spells, as it is not drought-resistant.
When propagating 'Pink Spire', softwood cuttings taken in spring or early summer are recommended for best results.
To maintain its shape and encourage denser growth, consider pruning your 'Pink Spire' after flowering, which will enhance its appearance for the following season.
Mulching around the base of the plant can help retain soil moisture and protect the roots, ensuring your 'Pink Spire' remains a vibrant and healthy addition to your garden.

Ideal placement of a Clethra alnifolia 'Pink Spire'

Optimal positioning for Clethra alnifolia 'Pink Spire' includes a variety of lighting conditions, from full sun to complete shade. However, to truly flourish and maximize its flowering potential, a location with partial shade is recommended. This shrub is versatile when it comes to soil preferences, thriving in any well-drained soil. It is important to provide regular watering, as it is not drought-resistant, ensuring the soil remains moist but not waterlogged to support its growth and the development of its fragrant pink blooms in the summer months.

How do I plant a Clethra alnifolia 'Pink Spire'?

When planting Clethra alnifolia 'Pink Spire', select a location that offers full sun to partial shade, though it will also tolerate shade. The soil should be well-drained, and while this shrub is adaptable to various soil types, it thrives in moderately fertile ground. Space the plants to allow for their upright to bushy growth habit, ensuring they have room to reach their full height of up to 2 meters. After planting, water regularly to maintain average moisture levels, especially during the establishment phase and periods of dry weather. Proper care will reward you with fragrant pink blooms from July through August.

Pruning a Clethra alnifolia 'Pink Spire'

Prune Clethra alnifolia 'Pink Spire' in late winter or early spring to maintain its shape and encourage healthy growth. This shrub benefits from the removal of any dead or crossing branches to enhance air circulation. Pruning also stimulates the development of new shoots, which can result in more abundant blooms during the summer months. As it flowers on new wood, cutting back the stems from the previous year will not affect its flowering potential.

Watering a Clethra alnifolia 'Pink Spire'

To ensure the health and vigour of Clethra alnifolia 'Pink Spire', consistent moisture is key, particularly in well-drained soils where water can rapidly percolate away from the roots. During the growing season, when the shrub is preparing to bloom and actively developing, maintain a regular watering schedule. An average water need implies that the soil should be kept moist but not waterlogged. In the absence of rain, a deep watering once a week should suffice. Pay extra attention during prolonged dry spells, as this species is not drought-resistant, to prevent stress that could affect its lush foliage and fragrant blossoms.

Fertilising a Clethra alnifolia 'Pink Spire'

To maintain the vibrancy and health of Clethra alnifolia 'Pink Spire', a fertilization regimen should be implemented. Apply a balanced, slow-release fertilizer early in the spring to support the upcoming growth season. As this species flourishes in a range of light conditions, from full sun to shade, the nutrient requirements are moderate to ensure optimal flowering and foliage development.

The fertilizer should be spread evenly around the base of the plant, taking care not to concentrate it too close to the stems. Watering the area after application will help to disperse the nutrients into the soil, providing a steady supply for the roots to absorb. A second application may be beneficial during the mid-summer months to sustain the plant's energy needs during its peak flowering period.

The characteristics of a Clethra alnifolia 'Pink Spire'

Clethra alnifolia 'Pink Spire' is renowned for its fragrant, pink blossoms that enchant the senses throughout the summer. This species thrives in moist, well-drained soils and appreciates a layer of mulch to retain soil moisture. The plant's compact habit makes it an excellent choice for smaller gardens or as part of a mixed border. Additionally, its foliage turns a delightful yellow hue in the autumn, providing extended seasonal interest.

What will be the height of Clethra alnifolia 'Pink Spire'?

Clethra alnifolia 'Pink Spire' typically achieves a height of 2 meters when fully mature.

Which soil type is most suitable for the Clethra alnifolia 'Pink Spire'?

Clethra alnifolia 'Pink Spire' is adaptable to various soil types, but it particularly thrives in well-drained soil. This ensures that the plant's roots are not waterlogged, promoting healthy growth and vitality.

What is the ideal positioning for the Clethra alnifolia 'Pink Spire'?

The optimal location for Clethra alnifolia 'Pink Spire' can vary, as it can thrive in areas with direct sunlight, partial shade, or even in shaded conditions. This plant exhibits adaptability to different light intensities, making it suitable for placement in a sunny spot, an area with partial shade, or even in a more shaded environment. For the best results, consider providing partial shade to enhance its growth and blooming potential.

What is the flowering colour of the Clethra alnifolia 'Pink Spire'?

The blossoms of Clethra alnifolia 'Pink Spire' showcase a delightful mix of pink and white hues, creating a visually appealing display during the flowering season.

Is the Clethra alnifolia 'Pink Spire' hardy?

Certainly, Clethra alnifolia 'Pink Spire' is indeed winter hardy. With a tolerance for temperatures as low as -15.0°C to -9.4°C, it comfortably fits within the USDA hardiness zones 7b/8a. This indicates its ability to thrive and endure the winter conditions, rendering it suitable for areas within these specified hardiness zones.

Is the Clethra alnifolia 'Pink Spire' evergreen?

Clethra alnifolia 'Pink Spire' is not an evergreen plant. It is a deciduous plant, meaning it sheds its leaves during a certain season and grows new ones later on.

What is the growth strength of the Clethra alnifolia 'Pink Spire'?

Clethra alnifolia 'Pink Spire' is a plant that takes approximately 5 to 10 years to reach its full height, signifying a moderate but steady growth rate over a relatively extended period.

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