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A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z
Click name to see details: Echinacea ] Echium ] Elymus ] Erigeron ] Erodium ] Eryngium ] Eupatorium ] Euphorbia ]

Eryngium serbicum © 2009 SpecialPerennials.com All Rights Reserved.Eryngium:

(Common Name: Sea Holly).

The common name should refer to one species in particular: Eryngium maritimum, which grows on beach edges, but it is now applied to the family as a whole.

Eryngium are varied genus that have in common thimble-shaped flower heads that are held on branched stems. All attract bees, butterflies and hover flies. They grow in a wide range of soils from very free-draining sand through to damp soils. Heights and flowering times vary. 

Most can be propagated from seed, but named  varieties won't come true. Otherwise divide in autumn (not always successful!) or plant root cuttings in winter.

Perfect Partners: Eryngium serbicum is an unusual species with large large blue bracts surrounding the blue thimble flowers. It takes a while to establish and dislikes dry soils in summer and waterlogged soils in winter. The intense blue is enhanced by the background of the blue-green grass Elymus magellanicus in our garden. We hope to add this Eryngium to our list in 2012.

 


© 2009 SpecialPerennials.com All Rights Reserved.

Eryngium agavifolium has rosettes of saw-toothed leaves © 2009 SpecialPerennials.com All Rights Reserved.Eryngium agavifoloum with greenish white flowers in summer © 2009 SpecialPerennials.com All Rights Reserved.Eryngium agavifolium

Rosettes of vicious looking saw-toothed leaves up to 1ft long. Actually they are a bit softer than they look but now something to catch your ankles on as you walk past.  Looking for all the world like a tender Agave, this sea holly is completely hardy and bears branched heads of greenish white flowers in summer that stay on the plant as dry brown heads over winter.  Compact in poor dry soils, large and imposing in deep, moist soils. 

Eryngium eburneum:

Rosettes of 18in .45cm evergreen spiny leaves and tall (4ft / 120cm) branched heads of creamy thimble-flowers in summer. Seed heads look good in winter, as does the foliage which is iced with frost in cold weather as in the photo above. 

 

Eryngium planum

Loved for their electric blue flowers and flower stems - they really turn heads in the garden. The 2ft 9in - 3ft 3in stems are well branched and shoot up from the mounds of leaves in June and flower through the summer. A stunner.

Pictured at The Dorothy Clive Garden in August 2010.

Eryngium zabelii Jos Eijking

Blue flowers with extra large electric blue, spiky bracts. About 1ft 6in tall. A stunner.