Eryngium consists of annuals, biennials, and perennials characterized by either entire or lobed foliage, frequently displaying spiny margins. The flower heads are cone-shaped and are typically encircled by a prominent whorl of spiny bracts.

Eryngium aquaticum

Eryngium aquifolium

Eryngium billardierei

Eryngium bourgatii is a herbaceous perennial that grows up to 45 cm in height. Its foliage consists of deeply lobed leaves featuring prominent silver veins. The plant produces vibrant blue, branched stems that support cone-shaped flower heads, which are surrounded by narrow, spiny bracts that are typically silvery-blue or violet in color.

Eryngium bourgatii

Eryngium bourgatii 'GST Selected' is a compact perennial characterized by its attractive grey-green leaves, which feature distinct white midribs. In mid-summer, it produces violet-blue flower heads that can reach up to 10 cm in diameter.

Eryngium bourgatii 'GST Selected'

Eryngium bourgatii 'Lapis Blue' is a clump-forming perennial that typically reaches a height and width of around 45 cm. This plant features spiky, green foliage adorned with white mottling at its base. The flowerheads, which are cone-shaped, initially bloom in a metallic blue hue during midsummer, transitioning to a deep blue as they mature before fading in late summer. Depending on conditions, it can be evergreen or semi-evergreen.

Eryngium bourgatii 'Lapis Blue'

'Eryngium bourgatii 'Oxford Blue' is an upright perennial that can reach heights of up to 40 centimeters. It features clusters of finely divided basal foliage with noticeable pale veins. The flower heads are cone-shaped, measuring about 2 centimeters, and are enveloped by silvery-blue spiny bracts.

Eryngium bourgatii 'Oxford Blue'

Eryngium bourgatii 'Picos Blue' stands out for its larger size and vibrant blue hue compared to standard varieties. The foliage features a grey-green color accented by white veins, while the flowers exhibit a deep blue shade with a thistle-like, star-shaped appearance. This cultivar typically grows to about 60 cm in height.

Eryngium bourgatii 'Picos Blue'

Eryngium bourgatii 'Silver Blue'

Eryngium bourgatii Picos Amethyst ('Mackpam' PBR) is a herbaceous perennial that reaches a height of approximately 50 cm. It features distinctive marbled green and white foliage along with rigid, branching stems that exhibit shades of blue and dark red. These stems support compact clusters of small blue flowers, which are encircled by spiky, deep blue bracts.

Eryngium bourgatii Picos Amethyst ('Mackpam'PBR)

Eryngium bourgatii var. atlanticum

Eryngium bromeliifolium F. Delaroche

This herbaceous perennial develops a rosette of wide, elongated, serrated leaves that can grow up to 16 inches long. It features branched stems topped with thimble-shaped flower heads, adorned with spiky silvery-white bracts that maintain their visual appeal even after flowering has finished.

Eryngium bromeliifolium ambig.

Eryngium caeruleum

Eryngium campestre

Eryngium carlinae

Eryngium columnare

Eryngium creticum

Eryngium cymosum is an evergreen perennial that develops rosettes of slender, strap-shaped leaves featuring a central stripe and flattened spines along the edges. It produces robust, upright stems that can reach heights of up to 1.5 meters, topped with umbels of spiny, dark flowers, each surrounded by silvery bracts on short lateral stems. This plant typically blooms from mid to late summer.

Eryngium cymosum

Eryngium decaisneanum

Eryngium deppeanum

Eryngium dichotomum

Eryngium duriaei

Eryngium ebracteatum is an evergreen perennial that typically reaches heights of 1.5 to 1.8 meters. It features grey-green, strap-like basal leaves with a few spiny edges. The plant produces cone-shaped flowerheads in deep red, which are largely devoid of bracts, supported by slender, branching stems during mid to late summer.

Eryngium ebracteatum

Eryngium ebracteatum var. poterioides is a robust, evergreen perennial that can reach heights of up to 1.5 meters. It features narrow, spiny leaves with a grey-green hue. During the summer and autumn months, its slender, branching stems produce numerous cone-shaped flowerheads that are reddish-brown in color and can measure up to 3 centimeters in length.

Eryngium ebracteatum var. poterioides

Eryngium eburneum is a clump-forming, evergreen perennial characterized by a basal rosette of serrated leaves that can reach lengths of up to 1 meter. During late summer, it produces arching, branched stems topped with rounded flower clusters that are greenish-white in color, accompanied by small, spiny bracts.

Eryngium eburneum

Eryngium eburneum 'Fromefield Rapier'

Eryngium elegans

Eryngium elegans var. elegans

Eryngium exemum

Eryngium floribundum

Eryngium foetidum

Eryngium from Isfahan, Iran

Eryngium from Mexico

Eryngium from Roger Grounds

Eryngium giganteum is a sturdy biennial or short-term perennial that develops a rosette of heart-shaped leaves at the base. Its spiny stem leaves complement the structure, while cone-shaped clusters of small blue flowers emerge, encircled by spiny, silvery-grey bracts.

Eryngium giganteum

Eryngium giganteum 'Silver Ghost' is a tall, upright biennial that features green leaves and distinctive cone-shaped clusters of blue blooms. These flowers are encircled by sharp, silvery-white bracts that emerge in the summer months.

Eryngium giganteum 'Silver Ghost'

Eryngium glaciale

Eryngium glaciale from Sierra Nevada, Spain

Eryngium globosum Hemsl.

Eryngium gracile

Eryngium guatemalense

Eryngium heterophyllum

Eryngium horridum Malme

This evergreen perennial grows in a rosette shape, reaching heights of approximately 1 meter. It features elongated, serrated leaves that are a mid-green hue. In mid to late summer, branching stems produce spherical flower heads, which range from white to pale green.

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