Ninebark Physocarpus opulifolius 'Diabolo' pot

Size: Hoogtemaat leidend

30-40cm

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Pot 3 ltr. (C3)

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Temporarily sold out
- 80-100cm
  
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  Pot 12 ltr. (C12)
  
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- 30-40cm
  
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  Pot 3 ltr. (C3)
  
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  From 12.90
  
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  Temporarily sold out

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Benefits according to our specialist

Plantable year-round
Low maintenance
Decorative foliage

Plant features
Description
Planting and care
Packaging and shipping

Genus
Physocarpus (view all varieties)

Root type
Pot

Pot size
3 ltr. (C3)

Flowering months
May, June

Leaf colour
White

Possibilities
Border, Group planting, Solitary

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
Yes

Water needs
Average water

Number of plants per m²
1

Evergreen plants
No

Leaf colour
Purple, Red

Fragrant plants
No

Growth habit
Upright to bushy growth habit

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

Mature height (cm)
250

Art. no.
1000935

Description

Physocarpus opulifolius 'Diabolo' | Ninebark

The Physocarpus opulifolius 'Diabolo', commonly known as ninebark, is a deciduous shrub that offers a striking display of dark purple foliage throughout the growing season. With its dramatic coloring and versatile nature, this plant is an exceptional addition to any border or group planting and can also stand as an eye-catching solitary feature in the landscape.

Key Features

The Physocarpus is appreciated for its multi-stemmed, upright to bushy growth habit and can reach an ultimate height of 2.5 meters.
Its foliage undergoes a charming transition from spring to autumn, maintaining a rich purple hue throughout.
During May and June, it is adorned with clusters of white flowers that contrast beautifully against the dark foliage.
This variety is also fruit-bearing, producing brown fruits in autumn that add additional interest to the garden.
While not evergreen, its deciduous nature allows for a stunning seasonal transformation that is highly valued in garden design.

Tips

To propagate the 'Diabolo', softwood cuttings are the most effective, taken in spring or early summer.
If you wish to maintain a specific shape or size, prune the ninebark after it has bloomed, as it produces flowers on the previous year's growth.
Despite its adaptability to various soil types, ensure that the soil is well-drained to promote healthy plant growth.
Regular watering will keep the plant thriving, especially important for those specimens not established or during periods of drought.
When planting in a location, consider a spot that receives full sun to partial shade to optimize its vivid foliage color and overall health.

Ideal placement of a Physocarpus opulifolius 'Diabolo'

For optimal growth and color display, Physocarpus opulifolius 'Diabolo' should be positioned where it can bask in full sun to partial shade. The radiant sunlight enhances the vibrancy of the foliage colors, transitioning from purple in spring to a deeper hue in the summer and autumn. While the plant is adaptable to various soil conditions, it thrives in well-drained substrates, which support its moderate water needs and contribute to its overall health. An upright to bushy growth habit allows for a versatile use in landscaping, from borders to group plantings or as a striking solitary specimen.

How do I plant a Physocarpus opulifolius 'Diabolo'?

To plant Physocarpus opulifolius 'Diabolo', select a location that receives full sun to partial shade, ensuring the soil is well-drained. As a pot-grown shrub, it can be planted throughout the growing season, avoiding extreme weather conditions. When planting, dig a hole twice as wide as the root ball to facilitate root expansion. Position the shrub in the hole at the same depth it was in the pot and backfill with soil, gently pressing down to eliminate air pockets. Water thoroughly after planting to settle the soil around the roots and maintain average watering to support establishment. This species thrives with regular watering, especially during dry periods.

Pruning a Physocarpus opulifolius 'Diabolo'

Prune Physocarpus opulifolius 'Diabolo' in late winter or early spring to maintain vigor and a well-shaped form. As this shrub flowers on old wood, it is important to only remove dead or damaged branches and to thin out older stems to encourage new growth. Pruning just after blooming has finished can also be beneficial, as it allows time for new wood to develop, which will bear the next year's blossoms. Avoid heavy pruning late in the season, as this may reduce the shrub's flowering potential.

Watering a Physocarpus opulifolius 'Diabolo'

To ensure the vitality of Physocarpus opulifolius 'Diabolo', maintaining consistent moisture levels in the soil is crucial. This shrub prefers well-drained soils and requires an average amount of water. During the establishment phase, more frequent watering is necessary to support the development of a robust root system. Thereafter, the ninebark should be watered deeply, yet less frequently, to encourage drought tolerance and deep root growth. In periods of extended dryness or extreme heat, supplemental watering may be required to prevent stress, particularly for specimens situated in full sun.

Fertilising a Physocarpus opulifolius 'Diabolo'

To ensure the vigorous and healthy growth of Physocarpus opulifolius 'Diabolo', it is essential to provide it with the right nutrition. Fertilization should occur in early spring, as new growth begins, using a balanced, slow-release fertilizer designed for shrubs. This will provide a steady supply of nutrients throughout the growing season, supporting the development of the plant's striking purple foliage and the formation of robust stems that will bear flowers the following year.

An additional application of fertilizer during the mid-summer can help maintain vitality, especially if the plant is grown in poorer soil conditions. Always follow the recommended rate on the fertilizer package to prevent over-fertilization, which can lead to excessive foliage growth at the expense of flowering. Proper feeding will ensure a display of vibrant leaves and a profusion of white blooms that enhance its ornamental value.

The characteristics of a Physocarpus opulifolius 'Diabolo'

Physocarpus opulifolius 'Diabolo' thrives in a variety of soil conditions, from acidic to alkaline, making it a versatile choice for gardeners. Its remarkable adaptability extends to its ability to tolerate urban pollution, therefore an excellent candidate for city landscapes. The plant's deeply colored foliage provides a stunning backdrop for other garden plants, making it an ideal choice for creating dynamic contrasts in garden design.

What will be the height of Physocarpus opulifolius 'Diabolo'?

The mature height of Physocarpus opulifolius 'Diabolo' typically ranges around 2.5 meters.

Which soil type is most suitable for the Physocarpus opulifolius 'Diabolo'?

Physocarpus opulifolius 'Diabolo' can thrive in a variety of soil types as long as it is well-drained. Ensuring proper drainage is essential for the optimal growth and development of this plant.

What is the ideal positioning for the Physocarpus opulifolius 'Diabolo'?

The optimal location for Physocarpus opulifolius 'Diabolo' is an area with access to sunlight as well as partial shade. This plant thrives when it can receive both direct sunlight and some protection from the intense midday sun.

What is the flowering colour of the Physocarpus opulifolius 'Diabolo'?

The blossoms of Physocarpus opulifolius 'Diabolo' are a delicate white hue, adding to the plant's visual appeal.

Is the Physocarpus opulifolius 'Diabolo' hardy?

Yes, Physocarpus opulifolius 'Diabolo' is considered to be winter hardy. It can endure temperatures as low as -23.3°C to -20.1°C, falling within the USDA zone 6a for winter hardiness. This indicates that Physocarpus opulifolius 'Diabolo' is capable of withstanding the typical winter conditions in many regions.

Is the Physocarpus opulifolius 'Diabolo' evergreen?

Physocarpus opulifolius 'Diabolo' is not an evergreen plant. It is deciduous, meaning it sheds its leaves in the autumn and grows new foliage in the spring.

What is the growth strength of the Physocarpus opulifolius 'Diabolo'?

Physocarpus opulifolius 'Diabolo' is known to display a moderate growth rate, taking approximately 5 to 10 years to reach its ultimate height. This indicates that it is a species that steadily matures over a period of time rather than exhibiting rapid growth.

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