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10 Completely different Varieties of Sea Holly

sea ​​holly varieties

Sea holly is a local of Europe. This plant prefers well-drained sandy soil, however its lengthy taproot permits it to develop in many various circumstances.

These vegetation love the solar and are proof against deer, drought, wind, and sea salt. Whereas they like moist soil, they face up to durations of drought very nicely.

Don’t fertilize sea holly as it should trigger the plant to get leggy. Deadhead these vegetation after they bloom in order that they are going to bloom once more.

In at this time’s article, we’re going to discover a few of the totally different types of sea holly.

Alpine Sea Holly (E. alpinum)

Alpine-Sea-Holly (E. alpinum)

Alpine Sea Holly grows in a rosette type as much as about 32-inches tall and 18-inches large. Single flowerheads seem on this feature in mid-summer. For those who deadhead it, these metallic blue thistle-like flowers will proceed to happen via mid-fall. Every flowerhead consists of a number of small flowers. On the base of the flowerhead is about 15 bracts. Every plant has three heart-shaped leaves.

Blue Glitter (Eryngium planum)

Blue-Glitter (Eryngium planum)

The blue glitter sea holly grows in rosettes as much as 6-inches tall and 14-inches large. This plant places on many egg-shaped, violet-blue flowerheads on 32-inch stems. Every flowerhead consists of many tiny, stemless flowers. Blue-green bracts type a spiky collar across the flowerhead.

Amethyst Sea Holly


The amethyst sea holly produces erect department stems as much as 24-inches tall and 24-inches large. Grey-green leaves type a rosette close to the bottom. The leaves are dotted with silver and have white veins. Every plant has a thistle-like flowerhead within the mid-to-late summer time that’s amethyst. Silver curly bracts encompass the flowerhead.

Mediterranean Sea Holly (E. bourgatii)

Mediterranean-Sea-Holly (E. bourgatii)

The Mediterranean sea holly grows as much as 24-inches tall and 18-inches large. Tiny flowers seem in a dense cone-shaped type on terminal flowerheads which can be as much as 1-inch throughout. These blue flowerheads seem in mid-summer and final via the autumn. Tightly packed, gray-green bracts encompass the flowerhead. Every of the bracts that develop as much as 2-inches lengthy has spiny-toothed edges.

Large Sea Holly (E. giganteum)

Giant-Sea-Holly (E. giganteum)

Flat Sea Holly (E. planum)

Flat-Sea-Holly (E. planum)

The flat sea holly grows to be about 3-feet tall. Its steel-blue flowers seem within the early summer time and final till fall. The tiny flowers seem on egg-shaped flowerheads, with slender blue bracts surrounding every flowerhead. The flowerheads seem on blue stems that stretch above the basal rosette made up of blue-tinged leaves which can be deeply grooved.

Eryngium maritimum


One of many oldest varieties of sea holly, the eryngium maritimum grows in clumps as much as about 2-feet tall. It produces a globular flowerhead within the early spring that lasts via early fall. Tiny, stemless blue flowers fill the flowerhead. Grayish-green bracts encompass the flowerhead. The leaves on this feature are darkish inexperienced with white veins.

Eryngium yuccifolium


The eryngium yuccifolium grows to be about 5-feet tall and 3-feet large. Greenish-white flowers tightly pack the globular flowerhead from early summer time to fall. Whitish pointed bracts encompass the flowerhead. Whereas many eryngium have very brief leaves, this plant has leaves as much as 3-feet lengthy. These sword-shaped leaves are grayish-white. Whereas nonetheless forming a rosette, this feature tends to look leggier than different selections.

Eryngium Pandanifolium


The ergyngium pandanifolium can develop as much as 8-feet tall and unfold to be 5-feet large. The leaves on this feature are a bluish-green. Stemless red-brown flowers fill the egg-shaped flowerhead. The flowers that seem in mid-summer flip chocolate brown within the fall. This alternative does finest when sheltered from prevalent winds.

Neptune’s Gold (Eryngium x zabelii)

Neptune's-Gold (Eryngium x zabelii)

Neptune’s gold grows to be about 24-inches tall and spreads to be about 12-inches large. Vibrant yellow leaves seem within the spring. These leaves change to a chartreuse shade within the fall. Tiny blue flowers fill the flowerhead mid-summer. The bracts surrounding this flowerhead begins out silver in the summertime earlier than turning lavender within the fall.

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