Sep 18, 2024 · Sea holly (Eryngium planum) is a perennial flower that looks like a glowing thistle, with striking steely-blue color. It is excellent for dry soils.

Sea hollies (Eryngium) have spiky leaves and thistle-like flowers in colours ranging from grey to intense cobalt blue, surrounded by a characteristic 'ruff'. They make striking garden plants and …

Attractive, Sea Holly plants (Eryngium) are striking ornamental perennials grown for their arresting, thistle-like, silvery, or blue-tinted flower heads adorned with a ruff of showy bracts. …

Eryngium maritimum, the sea holly or sea eryngo, or sea eryngium, is a perennial species of flowering plant in the family Apiaceae and native to most European coastlines. It resembles a …

Apr 17, 2024 · However, sea holly (Eryngium planum), also called flat sea holly, may change that opinion with its stunning steely-blue thistlelike flower heads that last a long time and add …

Oct 19, 2022 · Resembling sophisticated thistles, sea hollies have cone flowerheads surrounded by starry collars of barbed bracts. Sometimes these plants glow violet blue, or seem to …

These architectural, spiny, almost sculptural perennials, some looking superficially like thistles, can make a dramatic statement in a summer border. Let them rise above low-growing plants, …

One of the largest of the Eryngiums, Eryngium pandanifolium (Giant Sea Holly) is an evergreen perennial forming a bold rosette of narrowly sword-shaped, spiky-margined, arching, blue …

Jan 22, 2025 · Sea holly (Eryngium planum) is a tough plant, surviving in extreme cold and poor soils. It has thick, spiky leaves and steel blue or white flowers that resemble thistle plants. The …

Sea holly is a perennial plant in the Apiaceae (carrot) family. It grows in stiff erect clumps 1 to 3 feet tall and 1 to 2 feet wide and provides interest in the landscape with its unusual spiky …