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  • ERYNGIUM x tripartitum
    ERYNGIUM x tripartitum
    © Burncoose Nurseries, all pictures for illustrative purposes only.
    <
    ERYNGIUM x tripartitum  ERYNGIUM x tripartitum  ERYNGIUM x tripartitum  ERYNGIUM x tripartitum  ALLIUM giganteum and ERYNGIUM x tripartitum
© Burncoose Nurseries, all pictures for illustrative purposes only. ALLIUM giganteum and ERYNGIUM x tripartitum
© Burncoose Nurseries, all pictures for illustrative purposes only. ERYNGIUM and PEROVSKIA atriplicifolia 'Blue Spire'
© Burncoose Nurseries, all pictures for illustrative purposes only. Eryngium, Astrantia
© Burncoose Nurseries, all pictures for illustrative purposes only.
    >

    ERYNGIUM x tripartitum

    Commonly known as Sea holly , Tripartite eryngo

     AWARD
    Small deep blue thistle flowers
    plant size comparison icon
    1.5 to 2 Litre   - Click to view photo
    Delivery Information
    Available again JAN 2026
    £13.50 each 
    MULTIBUY SAVING
    Any 3+ £12.00 each
    Available again JAN 2026 - fresh stock in late winter
     
    Full Plant Details - Sun/Soil & other attributes
    • Flowering
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      Jan
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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 - insects
    • Pests & Diseases
      root rot, slugs, snails, powdery mildew.
    • Place of origin
      Probably Mediterranean.
    • Deciduous
      Narrowly-oval 3-lobed, toothed, dark-green leaves 6-12cm (2½-5in) long with some spines.
    • Blue
      Deep blue
    • Fully hardy
    • Height
      60-90cm (24-36in)
    • Spread
      50cm (20in)
    • 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, many-branched perennial. Flowers in cones 1-2cm (½-¾in) long with bracts 3.5cm (1½in) long.
    • Hardy - cold winter
      Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F)
    • Autumn Seasonal Interest
    • Summer Seasonal Interest
    • Well drained, dry, poor to moderately fertile soil
    • Full sun
      Protect from winter wet.
    • Bee friendly
    • Butterfly friendly
    • Rabbit Resistant
    • Mature Size
      60-90cm (24-36in)
      Herbaceous - guide for size not form Watering Can
        50cm (20in)
       
    View Planting Tips and Care Advice
    Eryngium - Growing Guide
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    Useful extras...

    Fertilisers & Feeds - Empathy
    Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
    Small - 60g sachet
    £3.00
    Medium - 150gm sachet
    £6.00
    Large - 360gram sachet
    £12.00
    Unavailable
    Fertilisers & Feeds - Vitax
    A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
    0.9 kg
    £6.00
    Unavailable
    2.5 kg
    £13.00
    Unavailable
    4.5 kg
    £25.00
    Vermin & Pest Control
    This is a non-biological non-chemical plant insecticide and mildewcide. Works against the physical motion of the insect. Perfect for all plants and edible crops.
    500 ml
    £8.00
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