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Collection of 3 New England asters - Grand Autumn Asters

Aster novae-angliae Rosa Sieger Purple Dome, Andenken an Alma Pötschke
Grad Autumn Aster

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Impressive development of these asters over the past year: very beautiful flowering; I pruned them to encourage new branches and flowers in autumn.

O C, 11/04/2023

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Collection contains 3 plants

  • 1 x Aster novae-angliae Rosa Sieger
  • 1 x Aster novae-angliae Purple Dome
  • 1 x Aster novae-angliae Andenken an Alma Pötschke

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This plant carries a 12 months recovery warranty

More information

A collection of 3 New England Asters composed of the excellent varieties 'Rosa Sieger Purple', 'Dome, and 'Andenken an Alma Pötschke'. These hardy perennials bloom abundantly for several weeks at the end of the season. In large borders, they allow for the creation of a magnificent autumn symphony in pink, purple, and red.
Exposure
Sun
Hardiness
Hardy down to -23°C
Soil type
Clayey (heavy), Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light)
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Best planting time March, October
Recommended planting time February to April, August to October
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Flowering time September to November
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Collection items (3 plants)

  • Aster novae-angliae Rosa Sieger

    Price per single item: 6,90 €
    Find out more
  • Aster novae-angliae Purple Dome

    Price per single item: 4,90 €
    Find out more
  • Aster novae-angliae Andenken an Alma Pötschke

    Price per single item: 5,90 €
    Find out more

Description

This Collection of 3 New England asters offers a colourful, abundant and prolonged flowering during several weeks at the end of the season. In large flower beds, these tall perennials allow you to compose a magnificent autumn symphony in pink, purple and red. The New England asters are quite resistant to powdery mildew and they thrive in humid climates and heavy, clayey and fertile soils. They also offer better performance in flower beds than the New Belgium asters.

The collection consists of:

- 1 New England Aster 'Rosa Sieger', which is distinguished by the power of its flowering and the delicacy of its pink colour. From late summer to the first frost, this very beautiful plant is covered with bouquets of small daisies that range from fresh pink to very pale pink. This medium-sized variety measures between 90 cm (35in) and 1.20 m (4ft) in height when in flower.

1 New England Aster 'Purple Dome' with bright purple-violet flowers. Unlike other New England Asters, this one is quite compact, it won't exceed 50 cm (20in) in height and width. It should preferably be placed in front of the other tall asters.

- 1 New England Aster 'Andenken an Alma Pötschke' with raspberry-red flowers. It is one of the best varieties among the reds and its offspring is numerous. It is a tall aster that can reach a height of 1.50 m (5ft) when in flower.

Labeled separately

These beautiful asters are planted at the back of flower beds to extend the flowering season in the garden until autumn, but you can also plant them in large pots to brighten up the surroundings of your house. In the ground, create a country atmosphere around your asters with tall perennials (Gauras, Rudbeckia, perennial sunflowers, inulas) and small bushes (landscape roses, shrubby salvias), or even grasses such as Miscanthus or tufted hair grasses that appreciate the same growing conditions.

Flowering

Flower colour multicoloured
Flowering time September to November
Inflorescence Flower head
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Plant habit

Height at maturity 1 m
Spread at maturity 40 cm
Growth rate fast

Botanical data

Genus

Aster

Species

novae-angliae

Cultivar

Rosa Sieger Purple Dome, Andenken an Alma Pötschke

Family

Asteraceae

Other common names

Grad Autumn Aster

Origin

Cultivar or hybrid

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Planting and care

Plant the young plant New England Asters in autumn or spring in ordinary, rich and well-worked soil, keeping it moist. It can withstand temperatures as low as -30 °C (1°F). It prefers a sunny exposure, but can tolerate partial shade where it will have a slightly looser habit. It is necessary to avoid strong winds that would flatten the clumps. It may be useful to stake the stems in certain cases. Once established, it should not be moved, as it does not appreciate changes. In a flower bed, leave at least 50 cm (20in) spacing between the plants. This plant does not tolerate competition from other roots at all. Mulch the soil from June onwards and water in case of heatwaves. New England Asters are not susceptible to powdery mildew. Divide the clumps every three years to keep them flowering well. Do not replant the divisions in the same place and give them a rich soil.

Planting period

Best planting time March, October
Recommended planting time February to April, August to October

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 5 per m2
Exposure Sun
Soil pH Neutral, Calcareous
Soil type Clayey (heavy), Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light)
Soil moisture Moist soil, Deep, fertile soil.

Care

Pruning instructions Remove the stems and faded flowers down to the ground in late winter. Use secateurs or a hedge trimmer for larger areas. Divide the clumps every 3 to 4 years to maintain vigorous growth. A yearly application of organic fertiliser in spring will revive the brilliance of the heads.
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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