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Buy Eryngium Alpinum | Sea Holly | Sarah Raven

Eryngium alpinum

A glamorous, large-flowered sea-holly with sculpted heads in steely grey or rich royal blue. Hard to beat and loved by pollinators.
1

50 seeds

1 x 9cm pot (200304-1)

3 x 9cm pots (200304-3)

1 x 9cm pot

3 x 9cm pots

Delivery:

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sow Under Cover
Direct Sow/ Plant Out
Flowers/ Harvest

Details:

Type
Perennial
Position
Border (Middle)
Soil
Broad Tolerance
Flowers
July - October, the following year
Height
75cm (30in)
Group/Species
alpinum
Common name
Sea holly
Moisture
Well-drained
Aspect
Full Sun
Spread
45cm (18in)
Cultivation
Direct sow March-April and/or August-September. May need a warm-cold-warm cycle and may be slow to germinate, taking up to 80 days. Or sow in the autumn, in shallow pans in light soil under a cold frame.

Description

A glamorous, large-flowered sea-holly with sculpted heads in a steely grey or rich royal blue. Hard to beat and loved by pollinators.

If you have ordered these seeds, we have had unforeseen delays and they will now be available mid February. We apologise for any inconvenience.

Care Tips

Choose a spot with fairly dry, well-drained soil that is poor to moderately fertile. Full sun is essential as is protection from winter wet. This also grows well in pots.