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Eryngium alpinumAlpine Eryngo

Hardy Perennial

What is Hardy Perennial?
A plant that lives for more than two years.
Capable of withstanding outdoor winter temperatures down to -15C.

FROM £10.99

90% (4 Reviews)
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Make a superb architectural focal point in borders

Copes particularly well with coastal conditions

Ideal for grouping between shorter perennials

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Please note: This product cannot be delivered outside the United Kingdom.

Height Up to 75cm (30in)
Spread Up to 45cm (18in)

Hardy Perennial

cottage gardenswildlife gardenscut flower gardencoastal garden

full sun

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
Flowering Months

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Description
This stylish perennial, produces upright, blue stems, topped with dramatic thistle-like blooms. The flower heads are cone shaped, surrounded by a lacy collar of spiky bracts, making a superb architectural focal point in borders. Eryingium alpinum is ideal for grouping between shorter perennials in sunny, well drained borders. It copes particularly well with coastal conditions and makes a spectacular cut flower. Height: 75cm (30"). Spread: 45cm (18").


4 bare root eryngium plants (10504)
8 bare root eryngium plants (KC2058)

How to Grow
Grow sea holly plants on light, well drained soil in full sun. Eryngium plants particularly dislike cold, wet soil in winter which may cause the crown to rot. If planting on heavy soils, dig in plenty of coarse grit to improve drainage prior to planting.
More Info
Feed and water regularly throughout the growing season until plants are fully established. Leave faded eryngium flower heads in place until spring to benefit from the winter interest they will add to your borders. In cold wet soils, use a cloche to protect the crown of the plant from winter rainfall. Lift and divide overcrowded clumps of eryngium in spring. Only lift it when necessary as sea holly can be slow to re-establish.
Delivery

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 £5.99.

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.

Thompson & Morgan strives to ensure that all its plants are delivered to you in the perfect condition for planting. Sadly, the time it takes to deliver to certain locations in the UK means that we can't guarantee this, so regretfully we are unable to ship live plants to the following areas: HS, IV41-IV49, IV51, IV55-56, KW15-KW17, PA34, PA41-48, PA60-PA78, PA80, PH40-PH44, TR21-TR24, ZE1-ZE3

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