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Aster novi-belgii Rosenpompom

Aster novi-belgii Rosenponpon
New York Aster, Michaelmas Daisy

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Very pleased with the young plants received.

Martine P., 18/03/2018

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This plant carries a 12 months recovery warranty

More information

Value-for-money
Great floriferous perennial with a bushy habit, and bright pink pompom flower heads in September and October. A lovely way to extend the summer flowering season.
Flower size
3 cm
Height at maturity
1 m
Spread at maturity
50 cm
Exposure
Sun
Hardiness
Hardy down to -23°C
Soil moisture
Moist soil
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Best planting time February to March, September to October
Recommended planting time February to April, September to November
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Flowering time September to October
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Description

Aster novi-belgii 'Rosenpompom' is a robust perennial, which blooms between September and October, with numerous deep pink flowers resembling small pompom daisies. The spreading crown produces branched stems, adorned with lanceolate, dark green and glossy leaves.

 

 

Aster novi-belgii 'Rosenpompom' is a tall Aster, reaching 100 cm (39in) in height. Easy to grow, it brings life to the garden in late summer and early autumn, when most flowering perennials have disappeared. It thrives in a sunny or slightly shaded position, sheltered from strong winds, in rich and moist soil. You can plant this variety at the back of borders, paired with late-flowering perennials such as chrysanthemums and other late-flowering perennials, heucheras with their foliage providing an excellent contrast of warm colours, or grasses with delicate foliage. These asters are also excellent cut flowers.

Aster novi-belgii, from which this charming variety originates, along with the Aster novae-angliae, are the two main species of large asters. Asters belong to the Asteraceae or Composite family, which mostly consists of herbaceous plants. There are numerous floriferous varieties, of all sizes and in an extremely wide range of colours.

There are other species of Asters that bloom at different times of the year. For spring, there are Aster alpinus and Aster tongolensis; for summer, Aster amellus or Aster frikartii; for autumn, Aster cordifolius, Aster dumosus, Aster ericoides, Aster lateriflorus, Aster novae-angliae, or Aster novi-belgii.

Aster novi-belgii Rosenpompom in pictures

Aster novi-belgii Rosenpompom (Foliage) Foliage

Flowering

Flower colour pink
Flowering time September to October
Inflorescence Flower head
Flower size 3 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Plant habit

Height at maturity 1 m
Spread at maturity 50 cm
Growth rate normal
Suckering/invasive plant

Botanical data

Genus

Aster

Species

novi-belgii

Cultivar

Rosenponpon

Family

Asteraceae

Other common names

New York Aster, Michaelmas Daisy

Origin

North America

Product reference801051

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Planting and care

Plant Aster novi-belgii 'Rosenpompom' in autumn or spring in rich and moist soil. It enjoys a sunny exposure but tolerates partial shade. Protect it from strong winds that would flatten the clumps. Aster novi-belgii is particularly susceptible to powdery mildew, a fungus that forms a whitish deposit on the foliage and buds, weakening the plant. As a preventive measure, maintain a spacing of at least 70 cm (28in) between the plants and regularly clean around them. Remove affected parts (when possible) as soon as the first signs of the disease appear. Treat preventively from May with organic products. You can pinch the ends of the shoots 15 cm (6in) from the ground towards the end of May to make the plants more compact. To encourage the emergence of new shoots, cut down the faded flowers. To prevent them from breaking under their own weight, it is also advisable to stake tall asters that become top-heavy when flowering.

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Planting period

Best planting time February to March, September to October
Recommended planting time February to April, September to November

Intended location

Suitable for Meadow
Type of use Back of border
Hardiness Hardy down to -23°C (USDA zone 6a) Show map
Ease of cultivation Beginner
Planting density 3 per m2
Exposure Sun
Soil pH Any
Soil type Clayey (heavy), Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light)
Soil moisture Moist soil, rich and well-drained

Care

Pruning instructions Remove stems and faded flowers at ground level in late winter. Use shears or a hedge trimmer for larger areas. Divide the clumps every 3 to 4 years to maintain vigorous crowns. Apply organic fertilizer once a year in spring to revive the brilliance of the flowers.
Pruning Pruning recommended once a year
Pruning time February to April
Disease resistance Good
Overwinter Can be left in the ground
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