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- Eryngium alpinum 'Superbum'
Eryngium alpinum 'Superbum'
alpine eryngo 'Superbum'
A robust, clump-forming perennial with erect branched stems and spiny, highly divided silvery-green leaves. Flowering in summer, it has large thimble shaped flower-heads with feathery and spiky silvery-blue bracts which can also be very attractive if left on the plant after the flowering period
- Eryngium planum 'Tetra Petra'
Eryngium planum 'Tetra Petra'
blue eryngo 'Tetra Petra'
A robust, clump-forming perennial with erect branched stems and spiny, highly divided dark green leaves. Flowering in summer, it has abundant small thimble shaped flower-heads with spiky silvery-blue bracts which can also be very attractive if left on the plant after the flowering period
- Eryngium bourgatii 'Oxford Blue'
Eryngium bourgatii 'Oxford Blue'
eryngo 'Oxford Blue'
'Oxford Blue' is an erect herbaceous perennial to 40cm, with clumps of deeply divided basal leaves with prominent whitish veins. Cone-like, deep blue flower-heads 2cm in length are surrounded by silvery-blue, spiny bracts
- Eryngium planum 'Flüela'
Eryngium planum 'Flüela'
blue eryngo 'Flüela'
A robust, clump-forming perennial with erect branched stems and spiny, highly divided silvery-green leaves. Flowering in summer, it has abundant small thimble shaped flower-heads with spiky silver violet-blue bracts which can also be very attractive if left on the plant after the flowering period
- Eryngium amethystinum
Eryngium amethystinum
amethyst eryngo
A semi-evergreen, clump-forming perennial to around 70cm tall forming a rosette of divided basal leaves. Egg-shaped to rounded, steel blue flowerheads to 2cm long are borne on upright, branching stems often also coloured a deep blue; each flowerhead is surrounded by spreading blue-silver bracts
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The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.