Aster novae-angliae Barrs Blue
Aster novae-angliae Barrs Blue
Aster novae-angliae Barrs Blue
Aster novae-angliae Barrs Blue
Aster novae-angliae Barrs Blue
Aster novae-angliae Barrs Blue
Aster novae-angliae Barrs Blue
New England Aster, Michaelmas Daisy
I was surprised when I went to plant them today—in one of the pots, there was nothing inside. Only a small twig was sticking out of the soil, but it had no roots. It's certain this one won't recover; all that was left in my hands was soil. I would ask you to kindly replace it. Otherwise, the other pot is very good—the leaves are already emerging.
nicole, 12/03/2026
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Description
Aster novae-angliae Barrs Blue is a reliable plant. This vigorous variety offers beautiful blue-violet daisies with golden yellow hearts in September-October, on mildew-resistant foliage. Autumn wouldn't be the season of colours without these perennials, their daisy-like flowers covered in butterflies. Robust, its upright stems do not require staking. A flowering plant that is easy to grow in ordinary soil.
The family of Asteraceae, to which Asters belong, is mainly characterised by the shape of its flower heads, called capitulum. This variety, derived from the North American species novae angliae, is particularly resistant to diseases thanks to rough foliage that does not provide a foothold for the spores of pathogenic fungi such as powdery mildew and downy mildew. 'Barrs blue' blooms abundantly and its woody stems, 1.20m (4ft) in height, form opulent coloured bouquets of a pretty blue-lilac. Make sure it is not overwatered, but also that it is not exposed to intense drought during the summer. It likes a sunny site, but prefers to have its base sheltered by a thick mulch.
The 'Barrs Blue' aster is perfect in flowerbeds to extend the flowering season in the garden into autumn, but you can also plant it in large pots, perhaps along with Japanese lanterns (Physalis alkekengi), to brighten up the surroundings of your house. This combination will be equally delightful in large, cheerful bouquets. This particularly sturdy plant will delight less meticulous gardeners, as it manages to survive without care, even in neglected gardens. In the ground, create a rustic feel around your asters with tall perennials and small bushes, and evergreen foliage plants that will provide some greenery to accompany the asters until the end of their flowering period.
Aster novae-angliae Barrs Blue in pictures
Flowering
Foliage
Plant habit
Botanical data
Aster
novae-angliae
Barrs Blue
Asteraceae
New England Aster, Michaelmas Daisy
Cultivar or hybrid
Planting and care
Plant Aster novae-angliae 'Barrs Blue' in autumn or spring in a regular, rich and well-prepared soil. It can tolerate temperatures as low as -25 °C. It prefers a sunny exposure but can tolerate partial shade, where it will have a slightly looser habit. Avoid strong winds that could flatten the clumps. Unlike older varieties, 'Barrs Blue' does not require staking. Avoid moving once established as it doesn't like change. In a flowerbed, respect a spacing of at least 50 cm (20in) around the plants. This aster does not tolerate competition from other roots. Mulch the soil from June onwards, and water in the case of a heatwave. New England Asters are not susceptible to powdery mildew and downy mildew. Divide the clumps every three years to keep them floriferous. Do not replant the divisions in the same place, and give them a rich soil.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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