Plants in genus eryngium
Eryngium pandanifolium
Eryngium pandanifolium is an evergreen plant with sharply toothed, grey-green foliage resembling an oversized century plant. Its flower stalks reach 5 feet tall, topped with grey-green balls. Native to South America, it has received the Royal Horticultural Society's Award of Garden Merit.
Eryngium eburneum
Eryngium eburneum is a striking perennial with a 3-foot wide rosette of spiny-edged green foliage and towering flower spikes reaching 6-8 feet. The light green, ball-like flowers are suitable for cut arrangements. This plant, with seeds collected in Argentina, adds architectural interest to gardens.
Eryngium planum
Eryngium planum, a herbaceous perennial thistle, is known for its extraordinary architectural beauty and silvery-blue stems. It blooms profusely through summer, attracting pollinators and providing winter interest. This plant thrives in poor soil, heat, and drought, making it a resilient choice for various garden settings.
Eryngium yuccifolium
Eryngium yuccifolium, commonly known as rattlesnake master, is a perennial herb native to the tallgrass prairies of central and eastern North America. It features stiff, long, narrow bluish-green leaves and grows up to 6 feet tall. The plant produces dense, ball-shaped umbels of flowers that attract many insects and serve as a larval host for the rattlesnake-master borer moth. It requires full sun and well-drained soil, making it ideal for prairie or native meadow restoration projects.
Eryngium agavifolium
Eryngium agavifolium is a semi-evergreen plant with dramatic, bold-textured foliage and green, thistle-like flowers that mature to brown in fall. It tolerates very dry to slightly moist soils and prefers full sun, making it a striking addition to any garden.
Eryngium ebracteatum
Eryngium ebracteatum is a herbaceous perennial native to South America, known for its cone-shaped, deep-red inflorescences. It features grey-green, spineless leaves and grows up to 6 feet tall. This plant thrives in full sun and moderately fertile soil, adding a striking presence to gardens.
Eryngium 'Jos Eijking'
Eryngium 'Jos Eijking' is a cold-hardy perennial known for its spiky texture and thistle-like appearance, with hues of lavender, blue, and sage green. It grows 24-36 inches tall and prefers full sun and well-drained soils. This plant is tolerant of poor soils and adds a unique visual element to gardens.
Eryngium venustum
Eryngium venustum is a rarely offered species collected in the Mexican mountains, known for its drought-loving nature and silver spines on waxy green leaves. It produces 18-inch flower stalks and thrives in well-drained soils.
Eryngium yuccifolium 'Kershaw Blue'
Eryngium yuccifolium 'Kershaw Blue' is a unique plant originating from Kershaw County, South Carolina. It features wide, powder-blue leaves and forms a 2-foot tall by 30-inch wide basal clump. The plant produces 4.5-foot tall flower spikes with tan, alien-like flowers in July. 'Kershaw Blue' is a stable seed strain and is virtually sterile unless several clones are nearby. This plant is a great option for those looking to add a touch of color and texture to their garden. Its unique appearance and adaptability make it a popular choice for gardeners.
Eryngium planum 'Blue Glitter'
Eryngium planum 'Blue Glitter' is a striking perennial from the carrot family, known for its prickly blue flowers that bloom from June through September. This plant forms a basal rosette and grows up to 30 inches tall, thriving in dry, sunny sites. It attracts butterflies and is deer resistant, making it a great choice for xeriscaping and cottage gardens.
Eryngium ravenelii 'Charleston Blues'
Eryngium ravenelii 'Charleston Blues' is a Southeast native plant forming a small basal rosette of 1-foot long linear leaves. It produces 30-inch tall flowering stalks with branched clusters of blue fuzzy, thumb-sized ball flower heads. This plant is critically imperiled in its native wetland alkaline habitat but is easy to grow in moist to average moisture soils.
Eryngium yuccifolium 'Newton Co Ar'
Eryngium yuccifolium 'Newton Co Ar' is a drought-tolerant perennial native to the US, found in thickets and open prairies. It forms a compact clump with wide blue leaves and produces 30-inch tall flower spikes of tan, alien-like flowers in late summer.
Eryngium giganteum
Eryngium giganteum, native to the Caucasus and Iran, is a striking biennial or short-lived perennial known for its unique, spiky flower heads. Growing up to 3 feet tall, it features pale green conical flowers surrounded by spiny bracts that turn blue as they mature. The plant forms a 2-foot wide rosette of silvery stems and silver-veined bract leaves, adding a dramatic touch to any garden. It thrives in well-drained sites and is often cultivated as an ornamental plant.