Disclosure : This site contains affiliate links to products. We may receive a commission for purchases made through these links.
Sea Holly Blue Steel – Bare Roots

Commonly known as Sea Holly, Eryngium ‘Blue Steel’ produces stunning spires of small blue flowers surrounded by a spiky bright blue collar. Adored by pollinators, this perennial flowers from July to September and copes perfectly well in dry, hot and coastal conditions. Ideal for adding some texture to your sunny garden borders or as a beautiful addition to your wildlife garden. This eryngium also makes an exquisite cut flower either fresh or dried.
Related Products :
Eryngium Planum
Eryngium ‘Blue Steel’
Eryngium Magical Blue Globe
Echinacea Purpurea
Eryngium Alpinum
Armeria pseudarmeria ‘Ballerina Mixed’
Echinops Ritro
Caryopteris x clandonensis ‘Ferndown’
Caryopteris x clandonensis ‘Heavenly Blue’
Foxglove Mixed
Statice Compindi Blue
Caryopteris x clandonensis ‘White Surprise’
Caryopteris x clandonensis ‘Grand Bleu’
Aubrieta ‘Cascade Blue’
Buddleja davidii ‘Adonis Blue’
Goniolimon collinum ‘Sea Spray’
Erigeron glaucus ‘Sea Breeze’
Holly ‘Blue Maid’ (Standard)
Buddleja Tricolour
Ageratum houstonianum ‘Blue Mink’
Caryopteris x clandonensis ‘Kew Blue’
Brunnera macrophylla ‘Sea Heart’
Scabious Blue Note
Echinops ritro
Verbascum olympicum
Caryopteris x clandonensis ‘Hint of Gold’
Clematis New Love
Perovskia ‘Blue Spire’
Centaurea montana
Lavender Angustifolia Platinum Blonde
Sea Buckthorn (Hedging)
Buddleja ‘Argus Velvet’
Hebe Subalpina
Foxglove Foxy
Aster Plants – Samoa
Buddleja davidii ‘Purple Emperor’
Coreopsis ‘Cosmic Evolution’
Achillea Millefolium Cerise Queen
Spiraea cinerea ‘Graciosa’
Aster Audrey
Hippophae rhamnoides ‘Leikora’
Cordyline Australis
Gaillardia x grandiflora ‘Kobold’
Poppy ‘Beauty of Livermere’
Bulb Lucky Dip Offer
Hebe Plant – Rakiensis
Penstemon heterophyllus ‘Electric Blue’
Salvia Caradonna Pink Inspiration
Dianthus amurensis ‘Siberian Blues’
Echinacea Cheyenne Spirit
Bumper Plant Collection
Pennisetum – Black Beauty
Garden Ready Perennial Collection
Armeria maritima ‘Alba’
Lagerstroemia indica ‘Pixie White’
Meconopsis Lingholm
Holly triflora var. kanehirae
Salvia Plant – Mysty
Hebe ‘Margret’ – Patio
Caryopteris x clandonensis ‘Petit Blue’
Ox-Eye Daisy Wildlife Flower Seeds
Echinacea SunMagic Vintage Red
Sizzling Summer Perennial Collection
Clematis alpina Plant
Limonium Plant – Dazzle Rocks
Heuchera ‘Chocolate Ruffles’
Ageratum houstonianum ‘Blue Danube’
Ageratum houstonianum ‘Blue Danube’ F1 Hybrid
Petunia Express Mixed
Scabiosa incisa Kudo Purple
Seeds for Pollinators – Teasel Seeds
Calendula Pacific Mixed
Celery ‘Tango’ F1 Hybrid (Self blanching)
Iris setosa ‘Baby Blue’
Echinacea Green Twister
Erigeron seciosus ‘Pink Jewel’
Calendula officinalis
Cytisus Porlock
Calendula officinalis ‘Sherbet Fizz’
Calendula officinalis nana ‘Apricot Twist’
Cordyline Red Star
Calendula officinalis ‘Neon’
Blueberry (Vaccinium) Darrow
Iris germanica Miles Ahead
Lisianthus ‘Summer Blue Roses’
Erynigum Neptunes Gold 1 9cm Pot
Holly Standard Blue Maid
Buddleja ‘Silver Anniversary’
Delphinium Magic Fountain 3 x 9cm Pots
Lobelia Plants – Superstar
Salvia Salgoon Lake Baikal
Pulmonaria ‘Blue Ensign’
Nurseryman?s Choice Petunia Collection
Hyssopus officinalis
Holly Golden King
Helianthemum Ben Fhada
Scabiosa Plants – Blue Note
Nepeta Plants – Blue Moon
Echinacea ‘Double Papallo Pink’
Lavatera trimestris ‘Twins Hot Pink’