Eryngium Species, Alpine Eryngo, Alpine Sea Holly

Beautiful, long-blooming, good as a cut flower as well as in the garden. Dries well. Exotic looking. The metallic blue of the stem and fe...Read Moreathery bracts is hard to capture accurately in photographs. The color is deepest in cool summers.

Grows from a fleshy carrotlike taproot---I don't believe it can be successfully divided. It can be successfully moved in early spring when the foliage is just beginning to emerge. Perhaps it can also be moved in fall after the foliage has died back, but I wouldn't try to move it in summer.

Quite adaptable as to soil type. Tolerant of drought once established. Intolerant of poor drainage/standing water.

Hardy to Z3. Said to self-sow. Not spiny, the bracts are soft.

Rarely available in commerce, though it's the best eryngium species for flower power.

This is a nice plant if you don't try to move it. I have had not luck removing it from my garden.

This is a quite unusual plant however as I am a fan of almost ALL blue flowers I quite like this plant. It is unique and most people visi...Read Moreting say "huh, whats that" amazed that there is such a plant. The blue colour is amazing. It is sort of a mettalic blue. Dies of in winter in my yard. Zone 8. pokerboy

They can also be propagated by root cuttings, in the spring. This is generally thought to be easier than seeds, and less stressful for t...Read Morehe plant than division.