Achillea ptarmica Weihenstephan
Achillea ptarmica Weihenstephan
Achillea ptarmica Weihenstephan
Achillea ptarmica Weihenstephan
Sneezewort, Bastard Pellitory, European Pellitory, Fair-maid-of-France, Goose Tongue, Sneezeweed, Wild Pellitory, White Tansy
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This plant carries a 12 months recovery warranty
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We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
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Description
The Achillea ptarmica 'Weihenstephan', also known as 'Sneezewort', produces bushy and erect plants, taller than the type, disappearing all summer under clusters of dazzling small white flowers. Hardy, this beautiful perennial, appreciates damp places. It will brighten up the edge of a water feature. This elegant plant also works wonders in dried or fresh bouquets.
Achillea ptarmica, also known as Sneezewort or Sneezewort, is a stoloniferous perennial plant of the Asteraceae family, native to Northern Europe. It grows spontaneously in meadows, marshes, and along watercourses. The German cultivar 'Weihenstephan' has an upright clumping habit, reaching about 1.2 m (4ft) in height when in flower, with a span of 60 cm (24in). The flowering, very abundant, extends from July to September. The white flowers with cream-white centres appear at the tops of the stems, forming flat or slightly rounded corymbs, popular with pollinating insects. They give rise to fruits called achenes. The stem is channelled and villous. The foliage is deciduous or semi-evergreen, aromatic and finely divided into strips. The lanceolate and narrow leaves are dark green. The plant spreads on the surface of the soil through stolons, allowing it to cover large areas.
The Achillea ptarmica 'Weihenstephan' is a stoloniferous plant that can be used as ground cover on large areas, at the edge of woodlands, or by a water feature. It thrives in full sun or partial shade, in a cool and fertile soil, well-drained but tolerant of dry soils once established. Easy to grow, it will blend well in cottage borders, naturalistic gardens, simple gardens, flower beds, meadows, or cut flower arrangements. It will complement scabious, iris, or phlox plants.
Achillea ptarmica Weihenstephan in pictures
Flowering
Foliage
Plant habit
Botanical data
Achillea
ptarmica
Weihenstephan
Asteraceae
Sneezewort, Bastard Pellitory, European Pellitory, Fair-maid-of-France, Goose Tongue, Sneezeweed, Wild Pellitory, White Tansy
Cultivar or hybrid
Planting and care
Plant the 'Weihenstephan' sneezeweed in any soil, even limestone, preferably moist to wet, well-drained and humus-bearing. It even adapts to clay soils if they are healthy and improved. It will grow in partial shade but prefers full sun. In a cool climate, planting can be done all year round. In regions with hot and dry summers, it is preferable to plant in September-October so that the plant can establish a good root system during autumn and winter to withstand the following summer. It is advisable to cut back all vegetation at the end of the season to promote the growth of young shoots 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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