GLOBE THISTLE part sun- partial shade. these.are prickly and weed=like often pulled out and confused with an invasive plant. Just get gumtree balls, spray paint blue, glue onto a skewer and call it good.!!!!!!!!!!!!!!!!!!!!!!
Eryngium (Sea Holly) - Blue thistle like flowers, sometimes the blue is so intense it is hard to believe they are not dyed.
Globe Thistle with Drumstick Allium:Serenity in the Garden: My Annual Reminder- Plant Drumstick Allium now Repinned by www.sailorstales.wordpress.com
Globe thistle is a fabulous, weirdly scultural plant that we don't see a lot of. Check out that steel blue color! Echinops ritro - globe thistle
Echinops ritro Veitch's Blue, contrast to achillea
Wild flowers of Britain - Guardian Wallchart Prints - Easyart.com
Eryngium 'Sapphire Blue' Sea Holly, not thistle, but similar & quite beautiful
Echinops - globe thistle
Lime greens and purples - Ferns and cirsium
Walled English herbaceous garden border - great use of height at the back