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Eryngium 'Blue Steel'

Sea Holly, Eryngo

Hardy Perennial

What is Hardy Perennial?

FROM £6.98

88% (13 Reviews)

A striking perennial with a bold garden presence!

Excellent for cutting and drying

Architectural blooms

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Description How to Grow More Info Delivery Reviews
A striking perennial with a bold garden presence! Distinctive, architectural blooms rise high on sturdy stems to reveal cones of tiny flowers surrounded by an electric blue collar! A useful plant for coastal areas and hot, dry sites. The dramatic Sea Holly flowers are also excellent for cutting and drying. Height: 90cm (36"). Spread: 45cm (18"). Bare root plants supplied.

Height Up to 90cm (36in)
Spread Up to 45cm (18in)

Hardy Perennial

coastal gardencut flower garden

full sun

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Flowering Months


10 bare root eryngium plants (V45473P)
5 bare root eryngium plants (V17851)

Plant bareroot Sea Holly plants at the earliest opportunity following delivery. Should soil conditions prevent planting directly into borders (if soil is frozen or waterlogged); bareroots should be potted up, watered sparingly and grown on in a cool position. Choose a position in full sun with light, well drained soil. If planting on heavy soils, dig in some coarse grit to improve drainage prior to planting. Dig a hole wide enough to accommodate the bareroot with its roots spread out and deep enough that the crown of the plant is just a few cm below soil level. Backfill the hole with soil and firm the plant in gently. Leave a slight depression around the plant - this will help to direct water towards the roots. Water well to settle the soil.
Feed and water regularly throughout the growing season until plants are fully established. In autumn, remove old foliage and apply a mulch of well rotted manure to the base of the plant.

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £4.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

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