Red bistort Persicaria bistorta 'Superba' 5-10 pot P9

Size: Potmaat leidend

5-10cm

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Pot 9x9 cm (P9)

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Benefits according to our specialist

Low maintenance
Easy to grow
Fast-growing

Plant features
Description
Planting and care
Packaging and shipping

Genus
Persicaria (view all varieties)

Root type
Pot

Pot size
9x9 cm (P9)

Flowering months
May, June, July

Leaf colour
Red, Pink, White

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
6

Evergreen plants
No

Leaf colour
Green

Fragrant plants
No

Growth habit
Upright to bushy growth habit

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

Mature height (cm)
60

Art. no.
1000892

Description

Persicaria bistorta 'Superba' | Red bistort

The Persicaria bistorta 'Superba', commonly known as red bistort, is a captivating perennial that brings a burst of color to any garden border or group planting. With its lush green foliage and striking summer blooms, this plant offers an upright to bushy growth habit and acts as a magnet for pollinators during its flowering months.

Key Features

The Persicaria showcases a stunning array of blooms in shades of pink, grey, and silver, which emerge in the summer and can last into the autumn.
This variety reaches an ultimate height of 60 cm, making it an excellent choice for creating layered textures in garden designs.
Persicaria bistorta 'Superba' thrives in a range of well-drained soil types and can flourish in both sun and partial shade.
Its semi-evergreen foliage ensures that it retains a green presence in the garden throughout the year, even when not in bloom.
While it does not bear fruit, the plant's aesthetic appeal is undeniable, and it does not require pruning, making it a low-maintenance option for gardeners.
It is not drought-resistant, thus regular watering is essential to keep this species in peak condition.

Tips

To propagate Persicaria bistorta 'Superba', division is the most effective method. This not only rejuvenates the plant but also helps to maintain its vigor.
Conduct the division process during the cooler months of spring or autumn for the best results.
Ensure consistent soil moisture, especially during dry periods, to support the plant's average water needs.
While the plant is semi-evergreen, some foliage loss may occur during harsh winters. However, new growth will typically emerge with the arrival of spring.
No pruning is necessary, but deadheading spent flowers can encourage a tidier appearance and potentially extend the blooming period.

Ideal placement of a Persicaria bistorta 'Superba'

For optimal growth and flowering, Persicaria bistorta 'Superba' should be positioned in a location that receives full sun to partial shade. The plant is adaptable to various soil conditions, provided that the soil is well-drained. Despite this versatility, it is important to note that the species does not tolerate drought well and requires consistent moisture to maintain its lush, green foliage and vibrant blooms. Thus, when selecting a site, prioritize areas that can sustain its average water needs to ensure a robust and flourishing display from late spring to midsummer.

How do I plant a Persicaria bistorta 'Superba'?

When planting Persicaria bistorta 'Superba', select a location that provides either full sun or partial shade to accommodate its light requirements. The versatile nature of this species allows it to thrive in all soil types, provided they are well-drained. To ensure proper growth, maintain an average watering schedule, as the plant does not exhibit drought resistance. It is recommended to allot sufficient space for the plant to reach its upright and bushy mature form, which can extend up to 60 cm in height. Planting can be done effectively using pot-grown specimens to enhance borders or for group plantings.

Pruning a Persicaria bistorta 'Superba'

Persicaria bistorta 'Superba' is low-maintenance when it comes to pruning, as it typically requires no regular pruning to thrive. This species of plant benefits from a natural growth cycle, and it is best to allow it to develop without interference. However, to promote a fresh flush of foliage and possibly a second bloom, one can deadhead the spent flower spikes after the initial flowering period. Additionally, any damaged or withered foliage can be removed to maintain a tidy appearance and encourage healthy growth.

Watering a Persicaria bistorta 'Superba'

Persicaria bistorta 'Superba' thrives with consistent moisture, particularly during its blooming period from May through July. While this species is not drought-resistant, it does have average water needs. To maintain optimal health and floral display, ensure that the soil remains well-drained but does not dry out completely. In periods of prolonged dryness, additional irrigation may be necessary to support the plant's upright to bushy growth habit. It is advisable to check the soil moisture regularly and provide water when the top inch becomes dry to the touch.

Fertilising a Persicaria bistorta 'Superba'

To ensure the robust vitality and splendid flowering of Persicaria bistorta 'Superba', it is beneficial to apply a balanced fertiliser at the onset of the growing season. A granular, slow-release fertiliser is ideal, providing a steady supply of nutrients to support the plant's needs. Administer this in early spring and consider a second, lighter application in the middle of the summer to sustain the plant's vigor and enhance its flowering potential. Such a regimen will bolster the lush green foliage and the striking inflorescence of this species, promoting an upright and bushy growth habit. The fertiliser should be spread around the base of the plant, taking care not to concentrate it too closely to the stems to avoid nutrient burn.

The characteristics of a Persicaria bistorta 'Superba'

For an often overlooked aspect, the Persicaria bistorta 'Superba' is an exceptional addition to rain gardens, where its ability to thrive in moist soil conditions can be fully utilized. Its dense clusters of pink spires provide a magnificent display in mid to late spring, and its robust nature allows it to rebound quickly after flowering if cut back, promoting a tidier foliage mound. This species harmonizes beautifully with ferns and hostas, creating a lush, textured garden tapestry.

Separating/dividing a Persicaria bistorta 'Superba'

To cultivate a robust and thriving garden display, division of Persicaria bistorta 'Superba' should occur every few years. The process revitalizes the plant's vigor and promotes healthy growth. Division is best undertaken in the more temperate months of spring or autumn. Carefully remove the entire plant from the soil and gently separate into smaller clumps, ensuring each section has a portion of the root system intact. Replant these divisions promptly, allowing ample space for the upright to bushy growth habit, and water them well to establish. This practice not only rejuvenates the plant but also helps to maintain its alluring display of blooms.

What will be the height of Persicaria bistorta 'Superba'?

Persicaria bistorta 'Superba' typically reaches a height of 50 centimeters to 1 meter when fully mature.

What will be the width of Persicaria bistorta 'Superba'?

Persicaria bistorta 'Superba' will reach a final spread of 50 centimeters to 1 meter as it matures.

Which soil type is most suitable for the Persicaria bistorta 'Superba'?

Persicaria bistorta 'Superba' can thrive in various soil types, but it particularly favors well-drained soil. This ensures that the plant's roots are not waterlogged, promoting healthy growth and development.

What is the ideal positioning for the Persicaria bistorta 'Superba'?

Persicaria bistorta 'Superba' thrives in locations that receive either full sun or partial shade. This plant can flourish in areas with direct sunlight as well as in spots where it is partially shaded throughout the day.

What is the flowering colour of the Persicaria bistorta 'Superba'?

The flowers of Persicaria bistorta 'Superba' display a delightful array of colours, including shades of red, pink, and white. These vibrant hues make for a visually striking display when the plant is in bloom.

Is the Persicaria bistorta 'Superba' hardy?

Persicaria bistorta 'Superba' demonstrates winter hardiness, with the ability to endure temperatures as low as -23.3°C to -20.1°C. This places it within the USDA's zone 6a for hardiness. Therefore, in suitable conditions, Persicaria bistorta 'Superba' can withstand typical winter temperatures, providing a resilient and enduring plant for the garden.

Is the Persicaria bistorta 'Superba' evergreen?

Persicaria bistorta 'Superba' is not an evergreen plant. This means that it sheds its leaves at certain times of the year and regrows them in the following season.

What is the growth strength of the Persicaria bistorta 'Superba'?

Persicaria bistorta 'Superba' typically takes 2 to 5 years to reach its ultimate height, indicating a moderate yet steady growth rate over a relatively short period of time.

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