Eryngium 'Silver Salentino'
Eryngium 'Silver Salentino'
Eryngium 'Silver Salentino'

Eryngium 'Silver Salentino'

"White sea holly"

Eryngium 'Silver Salentino'

5 bare roots — £6.25

Spring planting season is currently closed 
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Delivery schedule

Orders placed until 29 February 2025
You can expect your order in February/March 2025

Orders placed 1 March - 15 April 2025
You can expect your order in March/April 2025

Orders placed 16 April - 15 May 2025
You can expect your order within 10 business days

Available for (pre)ordering again in December
Free delivery on UK orders over £50
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UK orders over £50
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UK orders under £50
£4.99

Northern Ireland orders under £50
£5.99

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Description

Enjoy the frosty-cool colour and form of Eryngium 'Silver Salentino' through summer, autumn and winter. This hardy and resilient perennial has so much to offer in terms of architectural impact, and the spiky, upright structure keeps on giving long after the flowers have faded, leaving behind snowflake-like seedheads which sparkle with frost in the winter sun. With its spikey bracts and thistle-like flowers, Eryngium 'Silver Salentino' brings a touch of originality wherever it’s planted. Energising planting schemes with its cool silvery colouring, it grows into a statuesque plant, rapidly putting on growth in late spring and early summer each year to produce stems up to about 1m high. Each stem of this white sea holly is topped with a constellations of starry white buds. These open up into fascinating ball-shaped flowers with a pearly patina, surrounded by jagged silver bracts.

Very attractive to pollinating insects, Eryngium planum 'Silver Salentino' flowers keep coming through summer, and even after the show is over, this plant provides a beautiful, almost ethereal presence to the winter garden with its enduring seedheads. It’s a drought-tolerant plant, its thick grey-green foliage designed to minimise water loss. Place it in the sun, where its reflective colouring will shimmer, lighting up your borders. Eryngium 'Silver Salentino' is tolerant of some of the toughest sites, including those with salt-laden coastal winds and sandy or stony free-draining soil. Perfect in gravel areas or Mediterranean planting schemes, it needs little care once it’s settled in and looks right at home blended with other drought-tolerant plants such as salvia, echinops, sedum and euphorbia.

Key features

  • Good for cutting

  • Comes back every year

  • Fragrant

  • Loved by pollinators

  • Thrives well in full sun

  • In peat-free compost

  • RHS Award (AGM)

  • Drought tolerant

  • Fully hardy

  • Rodent resistant

Specs & details

  • Botanical name

    Eryngium planum 'Silver Salentino'

  • Flower colour

    White, silver

  • Plant size

    1

  • Established height

    50-70cm

  • Established spread

    20-30cm

  • Plant spacing

    9 plants per m2

  • Leaf colour

    Green, silver

  • Habit

    Upright
    Clump-forming

  • Life cycle

    Perennial

  • Hardiness

    Fully hardy

  • Years to establish

    1-2 years

  • Sunlight

    Full sun

  • Position

    Sheltered
    Exposed

  • Suitable for

    Borders
    Coastal gardens
    Cottage gardens
    Cut flower gardens
    Pots
    Large containers

  • Soil acidity

    Any

  • Soil moisture

    Free draining
    Dry

  • Soil type

    Loam
    Sandy
    Clay
    Multipurpose compost
    Loam-based compost

  • RHS Award (AGM)

    Yes

  • Growing skill

    Easy to grow

  • Scented

    Yes

  • Pollinator-friendly

    Yes

  • Mouse resistant

    Yes

  • Rabbit resistant

    Yes

  • Deer resistant

    Yes

  • Toxicity

    No report

Plant calendar

JanFebMarAprMayJuneJulyAugSepOctNovDec
  • Planting
  • Flowering

Useful information

    • Soak the Eryngium 'Silver Salentino' roots in water for 3-6 hours prior to planting

    • Plant your "White sea holly" bare roots into temporary pots with a multipurpose compost in spring and grow-on in a sheltered spot outdoors

    • Choose a pot which comfortably fits the bare roots. Some have a noticeable crown which should be just below the soil surface with any top growth exposed. Some varieties are a length of root which should be planted lengthways and shallowly (1-2cm deep).

    • Plant out into borders or permanent containers in late spring or early summer once in full growth. Choose a position in sun or shade depending on the variety.

    Read all planting & care instructions

  • Orders placed until 29 February 2025
    You can expect your order in February/March 2025

    Orders placed 1 March - 15 April 2025
    You can expect your order in March/April 2025

    Orders placed 16 April - 15 May 2025
    You can expect your order within 10 business days

Perennials in 1 minute

The beauty of perennial plants doesn’t just lie in their long-lasting flowers and sturdy, resilient nature, but it’s their sheer determination to keep on coming back stronger every year —in year one they’re good, but in future years they’re even better!

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