Eryngium proteiflorum

Taming the Thistle: Propagating the Exquisite Eryngium proteiflorum With its steely blue blooms and architectural form, Eryngium proteiflorum, sometimes called the Giant Sea Holly, is a showstopper in any garden. This striking perennial, native to Mexico, adds a touch of the exotic with its thistle-like flower heads and silvery-green foliage. But unlike its prickly cousin, … Read more