Showy forsythia Forsythia × intermedia 'Spectabilis' pot

Size: Hoogtemaat leidend

40-60cm

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Pot 3 ltr. (C3)

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Forsythia × intermedia 'Spectabilis' 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
Planting and care
Packaging and shipping

Genus
Forsythia (view all varieties)

Root type
Pot

Pot size
3 ltr. (C3)

Flowering months
March, April

Leaf colour
Yellow

Possibilities
Border, Group planting, Solitary

Soil type
All soil types, well-drained

Positioning
Semi-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
No

Growth habit
Upright to bushy growth habit

Height at time of delivery excluding pot/clod
40-60

Mature height (cm)
300

Art. no.
1000487

Description

Forsythia × intermedia 'Spectabilis' | Showy forsythia

The Forsythia × intermedia 'Spectabilis', commonly known as showy Forsythia, is a vibrant addition to any garden with its bright, golden blooms that herald the arrival of spring. This deciduous shrub is a herald of the season, awakening the landscape with its brilliant yellow flowers before the foliage emerges.

The 'Spectabilis' variety is renowned for its upright to bushy growth habit and for the splash of color it provides early in the season. This makes it an excellent choice for borders, group plantings, or as a standout solitary feature in a garden.

Key Features

The key features of the Forsythia × intermedia 'Spectabilis' include:

A profusion of striking yellow flowers that appear in March and April, offering an early nectar source for pollinators.
An adaptable plant, tolerant of various soil types, provided they are well-drained.
The plant enjoys a sunny or partially shaded location, ensuring flexibility in garden design.
With an ultimate height of around 3 meters, this shrub can create a substantial impact in the landscape.
Forsythia × intermedia 'Spectabilis' is not evergreen; its leaves turn a beautiful green in spring and summer, then transition to green with touches of yellow in autumn.
This species is not fragrant, focusing all its energy into creating a visually stunning display.
The shrub has an upright to bushy growth form, which creates a natural and unstructured appearance.

Tips

To encourage vigorous blooming, prune Forsythia × intermedia 'Spectabilis' immediately after flowering. This allows the plant to develop the strong stems that will bear next year's flowers.
Water the plant regularly to maintain average soil moisture, especially during dry periods, as it is not drought-resistant.
Propagate by semi-ripe cuttings to expand your collection of this magnificent shrub or share with fellow garden enthusiasts.

Ideal placement of a Forsythia × intermedia 'Spectabilis'

For optimal growth and bloom, Forsythia × intermedia 'Spectabilis' should be situated where it can bask in full sun to partial shade. Exposure to ample sunlight encourages a profusion of its vibrant yellow blossoms in the spring months. While adaptable to various soil conditions, it is imperative to ensure the soil is well-drained to prevent root issues. This species, characterized by its upright to bushy growth habit, reaches an ultimate height of about 3 meters, making it an excellent choice for borders or as a standout specimen in a garden display.

How do I plant a Forsythia × intermedia 'Spectabilis'?

Plant Forsythia × intermedia 'Spectabilis' in a well-draining soil to accommodate its growth habit and ensure proper drainage. This shrub will thrive in a location that receives full sun to partial shade, which will encourage vibrant flowering in the early spring months. Space the plants adequately, allowing room for an upright to bushy development, with a potential height of up to 3 meters. Upon planting, water regularly to maintain an average moisture level in the soil, supporting the plant's establishment and health. Avoid periods of drought by providing consistent watering, especially during the warmer seasons.

Pruning a Forsythia × intermedia 'Spectabilis'

Pruning of Forsythia × intermedia 'Spectabilis' is essential to encourage vibrant blooms for the following season. The optimal time to prune is immediately after the shrub finishes flowering in late spring. Since this species produces flowers on last year's growth, prune stems that have just flowered, cutting back to a pair of strong new shoots. This practice will stimulate the growth of new stems that will flower the next year. Regular thinning of older branches will also rejuvenate the plant and maintain a healthy, bushy appearance.

Watering a Forsythia × intermedia 'Spectabilis'

The watering needs of Forsythia × intermedia 'Spectabilis' are moderate. It is essential to maintain consistent moisture, particularly when the plant is establishing itself or during dry periods. While this species appreciates well-drained soil, ensure the soil does not completely dry out, as this shrub is not drought tolerant. During the growing season, water deeply once a week, allowing the water to penetrate the soil and reach the roots. This practice encourages a strong and healthy root system, supporting the vibrant growth and profusion of yellow blooms in spring.

Fertilising a Forsythia × intermedia 'Spectabilis'

To ensure Forsythia × intermedia 'Spectabilis' displays its full glory of vibrant yellow blooms, proper nutrition is essential. Fertilize this deciduous shrub early in the spring, as new growth begins to appear. A balanced, slow-release fertilizer is recommended to support the plant's needs throughout its active growth period. Distributing the granules around the base of the plant will provide a steady supply of essential nutrients, which are particularly crucial for the development of the forthcoming year's blossoms.

Additionally, consider a light application of fertilizer once more after the flowering period has concluded to help maintain the plant's overall health and vigor. This secondary feeding aids in bolstering the shrub's resilience and prepares it for the next year's growth cycle.

The characteristics of a Forsythia × intermedia 'Spectabilis'

For optimal growth, the Forsythia × intermedia 'Spectabilis' thrives when its roots have ample space. Hence, selecting a pot that accommodates the root system's expansion is crucial for the plant's vigor. This species is known for its dense and brilliant yellow blooms, which are among the first to herald the arrival of spring. To maintain its vibrant display, annual pruning right after the blossoms fade encourages the development of buds for the subsequent year.

What will be the height of Forsythia × intermedia 'Spectabilis'?

Forsythia × intermedia 'Spectabilis' can attain a height of 3 meters at full maturity.

Which soil type is most suitable for the Forsythia × intermedia 'Spectabilis'?

Forsythia × intermedia 'Spectabilis' is adaptable to various soil types, but it thrives best in well-drained soil. Ensuring proper drainage allows the plant to establish a healthy root system and promotes optimal growth.

What is the ideal positioning for the Forsythia × intermedia 'Spectabilis'?

The optimal location for Forsythia × intermedia 'Spectabilis' is one that receives ample sunlight as well as partial shade. This plant thrives in an environment where it can benefit from direct sunlight and also from some protection provided by partial shade.

What is the flowering colour of the Forsythia × intermedia 'Spectabilis'?

The blossoms of Forsythia × intermedia 'Spectabilis' display a vibrant yellow color, adding a delightful touch to this particular variety.

Is the Forsythia × intermedia 'Spectabilis' hardy?

Forsythia × intermedia 'Spectabilis' is indeed winter hardy. With the ability to withstand temperatures between -15.0°C and -9.4°C, it falls within the USDA hardiness zones 7b to 8a. This indicates that Forsythia × intermedia 'Spectabilis' is well-suited for enduring the winter conditions in these specific hardiness zones.

Is the Forsythia × intermedia 'Spectabilis' evergreen?

Forsythia × intermedia 'Spectabilis' is not evergreen. This plant sheds its leaves during the autumn season and regrows them in the spring, following a deciduous pattern.

What is the growth strength of the Forsythia × intermedia 'Spectabilis'?

Forsythia × intermedia 'Spectabilis' typically takes between 5 to 10 years to reach its ultimate height. This indicates that it follows a moderate growth rate, gradually maturing over a period of several years.

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