Horizontal calico aster Aster lateriflorus 'Horizontalis' 5-10 pot P9

Size: Potmaat leidend

5-10cm

|

Pot 9x9 cm (P9)

|

In stock

Number of m2

Nr. of plants

3.45

3.45 per piece

incl. VAT, excl. shipping costs (calculated in shopping cart)

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Aster lateriflorus 'Horizontalis' Can be planted now
Careful and fast delivery throughout the United Kingdom

Benefits according to our specialist

Plantable year-round
Rich flowering
Fast-growing

Plant features
Description
Planting and care
Packaging and shipping

Genus
Aster (view all varieties)

Root type
Pot

Pot size
9x9 cm (P9)

Flowering months
September, October

Leaf colour
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
Bushy spreading growth habit

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

Mature height (cm)
70

Art. no.
1000102

Description

Aster lateriflorus 'Horizontalis' | Horizontal calico aster

The horizontal calico Aster, also known as Aster lateriflorus 'Horizontalis', is a charming addition to any garden border. Renowned for its unique bushy spreading growth habit, this Aster variant brings an understated beauty to the autumn garden with its delicate pink and white flowers.

Native to North America, the horizontal calico Aster delights gardeners with its late-season blooms, offering a fresh burst of color when many other plants have finished flowering.

Key Features

The Aster lateriflorus 'Horizontalis' is a deciduous plant, reaching an ultimate height of 70 cm with a lush green foliage that persists through spring, summer, and autumn.
This Aster species is well-suited for group planting, creating a tapestry of pink, red, and white hues in the autumnal border.
It thrives in a variety of well-drained soils and can easily adapt to full sun or partial shade, making it a versatile choice for many garden settings.
The horizontal calico Aster does not bear fruit and is not fragrant, placing the full visual emphasis on its stunning autumnal flower display.

Tips

To ensure the health and vigour of your Aster, consider dividing the plant every few years in the spring or autumn. This rejuvenates the plant and stimulates new growth.
Although the Aster lateriflorus 'Horizontalis' has average water needs, be mindful not to let the soil dry out completely, as it is not drought-resistant.
Regular deadheading of spent flowers will encourage the plant to produce more blooms and extend the flowering period well into October.

Ideal placement of a Aster lateriflorus 'Horizontalis'

For optimal growth and flowering, Aster lateriflorus 'Horizontalis' thrives in an environment where it can bask in full sun or enjoy the dappled light of partial shade. The plant's ability to adapt to a range of soil conditions is notable, provided the soil is well-drained. To maintain the bushy spreading growth habit and encourage robust health, ensure the soil remains consistently moist, without becoming waterlogged. This species' preference for moderate watering aligns perfectly with its need for a balance between sunlight and moisture, making it a resilient addition to any border or group planting scheme.

How do I plant a Aster lateriflorus 'Horizontalis'?

For optimal growth, it is recommended to plant Aster lateriflorus 'Horizontalis' in well-drained soil, where it can thrive under full sun or partial shade conditions. This particular species, potted for convenience, should be spaced adequately to accommodate its bushy spreading growth habit. Upon planting, ensure regular watering to establish a robust root system, as the plant has an average water need. To maintain vitality, division is encouraged; spring or autumn is the ideal time to separate and replant the divisions, fostering healthy development and rejuvenation.

Pruning a Aster lateriflorus 'Horizontalis'

Pruning of Aster lateriflorus 'Horizontalis' should be conducted in late winter or early spring, just as new growth begins to appear. This timing allows the plant to conserve energy and produce robust blooms come autumn. Cut back the previous year's growth to a few inches above the ground to encourage a bushy habit and abundant flowering. Regular deadheading during the blooming season can also promote further flowering and prevent the plant from becoming leggy.

Watering a Aster lateriflorus 'Horizontalis'

Aster lateriflorus 'Horizontalis' thrives with consistent moisture, especially during its active growth and blooming period in late summer and early autumn. It is crucial to provide the plant with water if there are extended periods of dryness, as it is not drought-resistant. The soil should remain well-drained to prevent waterlogging, which can be detrimental to the plant's health. Water at the base to keep the foliage dry and to reduce the risk of issues caused by excess moisture on the leaves. As the plant matures, its average water needs should be met with deeper, less frequent watering to encourage a strong root system.

Fertilising a Aster lateriflorus 'Horizontalis'

To ensure the vigorous growth and prolific blooming of Aster lateriflorus 'Horizontalis', a strategic fertilization regimen should be employed. Begin by applying a balanced, slow-release fertilizer in the early spring to support the initial growth spurt. A second application should be made just before the onset of the flowering period in late summer to promote a robust display of pink and white blossoms.

When fertilizing, distribute the product evenly around the base of the plant, taking care to avoid direct contact with the foliage to prevent potential burn. Water the soil thoroughly after application to help integrate the nutrients into the root zone where they can be readily absorbed. This approach will not only enhance the autumnal floral show but also strengthen the plant's overall health.

The characteristics of a Aster lateriflorus 'Horizontalis'

The Aster lateriflorus 'Horizontalis' distinguishes itself with a remarkable horizontal branching habit, which provides a unique, layered appearance in your garden. This species thrives exceptionally well in autumn, offering a stunning display of daisy-like flowers when many other plants begin to fade. Its blossoms are a magnet for pollinators, such as butterflies, providing a vital late-season nectar source. The 'Horizontalis' cultivar is also known for its adaptability to a range of soil types, making it a versatile choice for gardeners.

Separating/dividing a Aster lateriflorus 'Horizontalis'

To propagate the Aster lateriflorus 'Horizontalis' effectively, division is the preferred method. By dividing, you not only stimulate fresh growth but also sustain the health of this North American native. Ideally, division should be carried out in the cooler months of spring or autumn. The process involves lifting the plant carefully from the soil and separating it into multiple sections. Replant the vigorous, younger divisions immediately into well-drained soil. This technique ensures the bushy spreading growth habit of the species continues to flourish and produce its distinctive pink and white blooms in the fall.

What will be the height of Aster lateriflorus 'Horizontalis'?

Aster lateriflorus 'Horizontalis' typically reaches a height of 10 to 50 centimeters at full maturity.

What will be the width of Aster lateriflorus 'Horizontalis'?

Aster lateriflorus 'Horizontalis' will reach a final spread ranging from 10 centimeters to 50 centimeters.

Which soil type is most suitable for the Aster lateriflorus 'Horizontalis'?

Aster lateriflorus 'Horizontalis' is known to thrive in well-drained soil of various types. This plant shows adaptability to different soil conditions, but the common requirement is proper drainage to support its healthy growth.

What is the ideal positioning for the Aster lateriflorus 'Horizontalis'?

The ideal location for Aster lateriflorus 'Horizontalis' is a place where it can receive ample sunlight, as well as partial shade. This plant thrives in an environment that offers a balance of direct sunlight and some shade throughout the day.

What is the flowering colour of the Aster lateriflorus 'Horizontalis'?

The blossoms of Aster lateriflorus 'Horizontalis' display delicate hues of pink and white, adding a lovely touch of color to this variety.

Is the Aster lateriflorus 'Horizontalis' hardy?

Yes, Aster lateriflorus 'Horizontalis' is considered to be winter hardy. It can tolerate temperatures as low as -23.3°C to -20.1°C, falling within the USDA hardiness zone 6a. Therefore, it is well-suited to withstand the colder conditions of the winter months.

Is the Aster lateriflorus 'Horizontalis' evergreen?

Aster lateriflorus 'Horizontalis' is not an evergreen plant. It sheds its leaves during the autumn season and regenerates new foliage in the following spring.

What is the growth strength of the Aster lateriflorus 'Horizontalis'?

Aster lateriflorus 'Horizontalis' achieves its full height within a span of two to five years. This gradual growth pattern allows for the steady and measured development of this plant over the specified period.

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