Cortaderia selloana
Cortaderia selloana
Cortaderia selloana
Cortaderia selloana
Cortaderia selloana
Cortaderia selloana
Pampas Grass
It's been languishing and hasn't put out a new shoot for two seasons. Very odd for a pampas grass.
ANNE SOPHIE, 06/05/2025
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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
IMPORTANT: for the preservation of our natural ecosystems, we have removed this plant from our catalogue as it is considered invasive. It is therefore no longer available for sale.
More commonly known as Pampas Grass, Cortaderia selloana is a tall evergreen grass that produces large silver plumes in late summer.
This tall grass forms a large clump of persistent, tough, and sharp dark green leaves. In late summer, large silver-white feathery spikes are carried on stems over 1.8 m (6 ft) tall.
This tall grass needs no introduction, as it has been omnipresent in our gardens since the 1960s. The only point that can perhaps be emphasised is the improper use that has often been made of it. It is arguably the case that it looks rather ridiculous planted all alone in the middle of a lawn, when it can be so beautiful if used en masse or in a flower bed among shrubs.
Easy to grow, Pampas Grass thrives in sunny locations with rich and well-draining soil. In colder regions, plant it in a sheltered spot with well-draining soil, as it does not tolerate heavy or waterlogged soils in winter.
Warning: This species is invasive in wetlands, and its spread along a large stretch of the Atlantic coast is problematic for biodiversity. After escaping from gardens, it colonises fallow land, sandy areas and wetlands, causing significant ecological disruption. If you live in an affected region, we recommend not planting it. It can be substituted with numerous architectural grasses, such as Miscanthus.
Cortaderia selloana in pictures
Flowering
Foliage
Plant habit
Botanical data
Cortaderia
selloana
Poaceae
Pampas Grass
Cultivar or hybrid
Planting and care
Cortaderia selloana enjoys a good amount of sunlight. Place it in a fairly rich soil that is cool but very well drained. It is easy to grow, but protect it from excessive winter moisture as it does not tolerate stagnant water. Water abundantly after planting. Then water regularly during the first year. In late winter (March to April), remove dead leaves but do not cut back all the foliage. Take care when handling its sharp leaves.
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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