Echinops ritro (Globe Thistle):
Blue globes held above stout grey green foliage. Attractive to bees. Likes well drained soil and plenty of sun. Hardy. Up to 1m.
[Collect Only]
Eryngium alpinum 'Blue Star':
Large electric-blue flowers with a spiky collar and spiky silver-green foliage. Slightly shorter then some other Eryngium varieties. Hardy. Up to 70cm.
[Collect Only]
Eryngium bourgatii 'Picos Amethyst'':
Stunning steely blue flowers on stiff stems with a gorgeous purple tint. Loves sunshine and well-drained soil. To 70cm.
[Collect Only]