Kalimeris mongolica Antonia
Kalimeris mongolica Antonia
Kalimeris mongolica Antonia
Kalimeris mongolica Antonia
Mongolian Aster
On receipt, no developed foliage (strange at this time of year...), nor any sign of growth starting. Since then... very disappointed.
Phil, 13/04/2025
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Description
Kalimeris mongolica 'Antonia', sometimes called Mongolian aster 'Antonia', is a recent hybrid, descended from a large perennial native to central Asia related to asters. This somewhat obscure species is unjustly overlooked. It is a remarkable perennial, little used in gardens despite its endless summer flowering and its extraordinary adaptability. Rivalling the stars of asters, the beautifully coloured flowers of 'Antonia' are similar to small blue-purple daisies with a dark centre. They emerge in abundance from an erect and bushy clump composed of tall leafy stems. It will thrive anywhere, in any soil, in all exposures and under all climates.
Kalimeris mongolica, also known as Aster lautureanus var. mongolicus, Aster mongolicus, or Kalimeris pinnatafida 'Hortensis', is an herbaceous plant of the Asteraceae family native to Mongolia, eastern Russia, and Korea. It forms erect clumps, composed of narrow and deeply incised leaves in the lower part of the stems, smaller and entire in the upper part. The abundant flowers follow one another from the beginning of summer until the first frost, if care is taken to regularly remove faded flowers. The flowers are heads, composed of numerous mauve florets arranged in a collar around a colourful dark yellow centre.
Blooming abundantly in late summer and autumn, at the same time as our summer asters, this very hardy, very resistant and particularly adaptable plant deserves to be included in all country gardens. It is perfect for low-maintenance gardens, as it requires no care or watering. It pairs very well with all other border plants such as heleniums, asters, Salvia microphylla, Limonium gmelinii subsp. hungaricum, or Rudbeckia triloba. Plant it with the other aster that likes dry soils, Aster diplostephioides. This aster will give its best when planted in groups of 3 to 5 plants, in large sunny borders, on dry embankments, at the back of a garden that is never watered. It perfectly accompanies autumn colours until the arrival of winter. It is certainly worth trying to grow it and planting without any risk.
Kalimeris mongolica Antonia in pictures
Flowering
Foliage
Plant habit
Botanical data
Kalimeris
mongolica
Antonia
Asteraceae
Mongolian Aster
Central Asia
Planting and care
Kalimeris mongolica 'Antonia' is easy to grow in any average soil, whether heavy, moist, rocky, or light and well-draining. It flowers in partial shade as well as in full sun, and even in full shade. Avoid strong winds that could flatten the clumps. This plant is hardy to at least -20°C (-4°F). Regularly remove faded flowers to prolong flowering. Pinch out the tips at the beginning of vegetation to promote a compact habit. After three to four years of cultivation, the base becomes woody, and the plant weakens. A phenomenon also found in shrubby mallow. Replace it with young cuttings taken in spring.
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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