Eryngium planum

Flat Sea Holly - Herbaceous Perennial in 1L Pot

£11.99

Pot Size Guide

size guide

The height of all of our plants is measured from the base of the pot.

Pot Size Pot Diameter Pot Height
6cm 6cm 5.5cm
9cm 9cm 8.5cm
1 Litre 13cm 11cm
2 Litre 17cm 13cm
3 Litre 19cm 15cm
4 Litre 20cm 17cm
5 Litre 23cm 19cm
7 Litre 25cm 20cm

Please note: the pot sizes listed below may vary due to the suppliers we use.

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Good To Know:
Eventual Height
Eventual Height

0.5-1 Metres

Pot Size
Pot Size

1L

Season of Interest
Season of Interest

Foliage - Spring to Autumn Flowers - Summer


  • Eryngium planum is herbaceous perennial, that has a robust growing habit. It produces eye-catching, steely-blue spiky flower heads in Summer to early Autumn, on tall stems grown above rounded, dark green foliage. Each flower head is made up of narrow, spiny bracts measuring 2.5cm in length. The stems can also be cut and used in flower arrangements.

  • Eryngium planum are loved by a variety of pollinating insects such as bees, butterflies and moths. This plant has received the RHS Plants for Pollinators seal of approval.

Light Required
Light Required

Full sun

Watering
Watering

Moderate watering

Best Growing Conditions
Best Growing Conditions

It is ideal for growing in coastal gardens, cottage style gardens and wildlife gardens, in a sheltered west or south facing area.

Standard Delivery (2-4 working days)

£2.99 on orders under £30
FREE on orders over £30
*Mainland UK only

Next Working Day Delivery

£4.99 on orders under £70
FREE on orders over £70
Order by 1pm Mon-Fri

Northern Ireland & Islands Delivery (2-5 working days)

£4.99 for all orders

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eryngiumplanum

Eryngium planum

£11.99

£11.99