Description from Bluestone Perennials:A larger Sea Holly with arresting electric blue flowers that will reach 4" across. Eryngium Big Blue has intense blue color that extends down the stems and holds well when dried. Green spiky foliage.
I had planted some Eryngium before but it only lasted a year. Eryngium likes good drainage, so before planting I put about an inch or so of pea gravel in the bottom of the hole, and mixed it with a little soil. Hoping this will help it along.
I love Eryngium. It is so unusual looking and the color can be beat.
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