Electric-blue thistle-like flowers with a spiky collar and silvery-green foliage. Get a darker blue with age. Long flowering and attractive to bees. Hardy. Up to 60cm.
At a glance
Common Name
Sea Holly 'Pen Blue
Type
Hardy perennial
Height
30cm to 60cm
Colour
Blue
Spread Rate
Slow
Flowering
Late Summer
Soil Type
Drained, Dry
Aspect
Sun
Pollination
Attractive to pollinators
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Eryngium 'Pen Blue' (Sea Holly 'Pen Blue): Electric-blue thistle-like flowers with a spiky collar and silvery-green foliage. Long flowering and attractive to bees. Hardy. Up to 60cm.
