Sea Holly | Eryngium maritimum

This item is a Preorder for summer 2024 for our new nursery expansion SALE!

Original price was: £9.99.Current price is: £1.99.

Out of stock

1x plug plant (approx. 2-5cm above ground, 15cm of root structure below ground)

Discover the coastal allure of Sea Holly (Eryngium maritimum</em>) at our wildflower nursery. With silvery-blue foliage and captivating thistle-like blooms, this perennial gem thrives in sandy, well-drained soils. Adaptable and low-maintenance, Sea Holly adds a touch of seaside charm to gardens. Its spiky allure attracts pollinators, making it both visually stunning and ecologically beneficial. Elevate your garden with the beauty of Sea Holly, a resilient and enchanting wildflower that embodies the spirit of coastal landscapes.


Botanical Information: Sea Holly

Sea Holly (Eryngium maritimum), is a captivating perennial plant that belongs to the Apiaceae family. Known for its distinctive spiky appearance, this coastal gem boasts silver-blue foliage and cone-like flower heads, creating a unique and visually striking addition to any garden. With a height ranging from 12 to 24 inches, Sea Holly’s rigid stems contribute to its structural appeal.


Endemic to coastal regions of Europe, this species thrives in sandy, well-drained soils. Its natural habitat includes dunes, cliffs, and salt marshes, making it well-adapted to withstand the harsh conditions associated with coastal environments. The plant’s deep taproot aids in its resilience, allowing it to anchor firmly in sandy substrates.

Benefits to Wildlife

This delightful coastal plant plays a vital role in supporting local ecosystems. Its distinct flower heads, resembling thistles, attract a variety of pollinators, including bees and butterflies. Additionally, the plant’s seeds serve as a food source for birds, contributing to the overall biodiversity of coastal areas. Sea Holly’s nectar-rich blooms provide sustenance for pollinators, fostering a healthier environment for wildlife.

Conservation Status in the UK

While not officially classified as endangered, Sea Holly faces some conservation concerns in the UK. The degradation of coastal habitats due to human activities, including urbanization and tourism, poses a threat to its natural populations. Conservation efforts are essential to protect these ecosystems and ensure the continued existence of it in the wild.

Ease of Growing

Sea Holly proves to be a resilient and relatively low-maintenance plant for gardeners. Thriving in full sun, it requires well-draining soil to mimic its native coastal conditions. Regular watering is essential during the initial establishment period, but once mature, Sea Holly is drought-tolerant. With minimal pruning to remove spent flowers, this plant can be a hardy addition to gardens, providing both aesthetic value and ecological benefits.

In conclusion, Sea Holly (Eryngium maritimum), is a visually striking coastal plant that not only enhances garden landscapes but also contributes to the vitality of local ecosystems. Its adaptability, coupled with its ecological benefits, makes Sea Holly a valuable addition to gardens seeking both beauty and environmental consciousness. As conservation efforts intensify, ensuring the protection of Sea Holly’s natural habitats becomes crucial for the sustained existence of this unique coastal species.

More information:

The Wildlife Trusts

Gardinia: How to care for Sea Holly

Complementing Species we sell:

Black Henbane | Hyoscyamus niger

Harebell | Campanula rotundifolia

 Kidney-Vetch | Anthyllis vulneraria


Additional information

Weight 3 kg


Flowering Months

, ,

Light levels


Soil moisture

Dry, Extremely Dry


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Out of stock