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.

A member of the Apiaceae family.

Eryngium planum

Mounts of heart-shaped leaves but the glory are the electric blue stems and flowers in July and August.

Good in sun or very light shade. 2 - 3ft / 60-90cm tall in flower.

Price 5.00 (9cm pot) available to order for spring delivery

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