Plants by mail order since 1984 - over 4,100 plants online today!
Burncoose Nurseries - part of the Caerhays Estate
Nursery & Gardens open: Mon - Sat 08.30 - 16.30 & Sun 10:00 - 16:00
Pop up café: Open Thursday-Saturday 10.30 - 14.30 & Sunday 11.00 - 15.00( weather permitting )
Dear Customers. Please be advised that Thursday 18th of December is the last order date for guaranteed delivery before Christmas. Our hard working despatch teams finish on Friday.

The Nursery will be open as normal during the Christmas period, except Bank Holidays, and will be closing at 1.30pm on Christmas Eve and New Year's Eve.

Thank you to all our customers old and new for their valued support this year.
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    ERYNGIUM
    ERYNGIUM planum
    ERYNGIUM planum
    © Burncoose Nurseries, all pictures for illustrative purposes only.
    <
    ERYNGIUM planum ERYNGIUM planum ERYNGIUM planum ERYNGIUM planum BAPTISIA australis, ERYNGIUM planum and PHLOMIS russeliana © Burncoose Nurseries, all pictures for illustrative purposes only. ECHINACEA purpurea, ERYNGIUM planum and SALVIA nemorosa 'Caradonna' © Burncoose Nurseries, all pictures for illustrative purposes only. ERYNGIUM and PEROVSKIA atriplicifolia 'Blue Spire' © Burncoose Nurseries, all pictures for illustrative purposes only. ERYNGIUM planum and STIPA tenuissima © Burncoose Nurseries, all pictures for illustrative purposes only.
    >

    ERYNGIUM planum

    Commonly known as Blue sea holly, Eryngo

    Clump-forming with light blue flowers and blue green bracts. A useful cut flower with 3 foot stems
     
    Full Plant Details - Sun/Soil & other attributes
    • Flowering
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      Feb
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      Mar
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      Apr
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      May
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      Jun
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      Jul
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      Aug
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      Sep
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      Oct
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      Nov
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    • Good to know
      Wildlife plant - nectar and pollen for insects.
    • Pests & Diseases
      root rot, slugs, snails, powdery mildew.
    • Place of origin
      Southeastern Europe to central Asia.
    • Evergreen
      Oblong, toothed, dark-green basal leaves 5-10cm (2-4in) long with heart-shaped bases.
    • Blue
    • Border
      Suits a mixed or herbaceous border
    • Fully hardy
    • Height
      90cm (3ft)
    • Spread
      45cm (18in)
    • Herbaceous
      Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
      Clump forming perennial. Cones of flowers 1-2cm (¾in) with spiky bracts to 2.5cm (1in) long.
    • Hardy - average winter
      Hardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F)
    • Autumn Seasonal Interest
    • Spring Seasonal Interest
    • Summer Seasonal Interest
    • Winter Seasonal Interest
    • Well drained, dry, poor to moderately fertile soil
    • Full sun
      Protect from winter wet.
    • Bee friendly
    • Butterfly friendly
    • Rabbit Resistant
    • Mature Size
      90cm (3ft)
      		 Herbaceous - guide for size not form Watering Can
        45cm (18in)
      		  
    View Planting Tips and Care Advice
    Eryngium - Growing Guide
    Herbaceous Plants - Video Collection
    View Customers Also Bought
    ERYNGIUM bourgatii 'Picos Amethyst'

    ERYNGIUM bourgatii 'Picos Amethyst'

    Sea holly
    Available from £13.50
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    ERYNGIUM bourgatii 'Picos Blue'

    ERYNGIUM bourgatii 'Picos Blue'

    Sea holly
    Available from £13.50
    view
    PEROVSKIA atriplicifolia 'Blue Spire'

    PEROVSKIA atriplicifolia 'Blue Spire'

    Russian sage
    Available from £13.50
    view
    CYNARA cardunculus

    CYNARA cardunculus

    Cardoon
    Available from £14.50
    view
    View Planting Combinations

    varieties
    ERYNGIUM planum 'Jade Frost'
    Grey-green leaves edged creamy-white and developing pink tones. The foliage contrasts effectively with rich violet-blue flower clusters
     
    1.5 to 2 Litre
    £13.50
    Notify me
    Available Early Spring 2026
    Spring according to the Met office is defined as March 1st - May 31st. Therefore early spring is early March to mid-April. This is not a guaranteed date but an estimate and subject to availability.
    Notify me when this plant is available to order

    Useful extras...

    Fertilisers & Feeds - Empathy
    Afterplant - Tomatoes
    AFTER PLANT TOMATO FEED Liquid Concentrate with Bio stimulant is a high potash liquid concentrate containing seaweed extract, plant derived amino acids and other nutrients specifically formulated to benefit tomatoes and greenhouse plants.
    1ltr
    £8.50
    Fertilisers & Feeds - Vitax
    Blood, Fish & Bone
    Improves vegetable, fruit and flower quality. Blood, Fish and Bone contains three major nutrients essential for strong and healthy growth.
    1.5 kg
    £6.50
    Fertilisers & Feeds - Empathy
    Wildflower Mini Meadow
    Creates a mini-meadow for attracting bees, butterflies and bugs to your garden. 200g sachet which will cover 3 square metres. Contains Rootgrow™ mycorrhizal fungi.
    3m²
    £7.00
    10m²
    £15.50
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