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.
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