Eryngium variifolium
Eryngium variifolium
Eryngium variifolium
Eryngium variifolium
Eryngium variifolium
Eryngium variifolium
Eryngium variifolium
Eryngium variifolium
Eryngium variifolium
Sea Holly
Planted at the beginning of March in the sun, it has thrived and given me a beautiful bouquet of flowers.
Marc G, 28/08/2024
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This plant carries a 12 months recovery warranty
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Description
Eryngium variifolium is a perennial characterised by its evergreen dark green foliage with prominent white veins. Its spiny, mauve-blue inflorescences are carried by erect, stiff and ramified silver-blue stems during the summer months. This variegated sea holly, which will not exceed 40 cm (16in) in height, has flowers grouped in heads with a diameter of 2.5 cm (1in), surrounded by silver-blue bracts forming large stars between June and August. The spiny margins of the coloured bracts, surrounding the central flower, resemble thistles and are the origin of its other common name, ornamental thistle.
From picturesque to contemporary scenes, its colours range from green to silver mixed with the blue of the flowers, and its graphic design allow it to blend into many situations. Ideally planted in full sun, the variegated sea holly loves heat and drought, and adapts to all sunny, well-drained and deep soils with a tendency towards limestone; it even withstands coastal areas. It dislikes wet soil, especially in winter. To prolong its decorative effect beyond the summer outdoors, you can easily make dried bouquets as it retains its beautiful colours when drying.
Eryngium variifolium works well in a rock garden, border, wild or contemporary garden alongside Gauras, Mulleins (Verbascums), Sages (Salvias or Perovskias), or some Stipas.
Eryngium variifolium in pictures
Flowering
Foliage
Plant habit
Botanical data
Eryngium
variifolium
Apiaceae
Sea Holly
North Africa
Other Eryngium - Eryngo
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Planting and care
Eryngium variifolium should be planted from September to April in a well-draining, dry, poor and rocky soil in full sun. In heavy soil or in excessively humid regions, mix compost, sand and gravel with your garden soil and plant on a mound. Don't forget to place gravel at the bottom of the hole for good drainage. It is sensitive to winter moisture.
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).
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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.