Eryngium bourgatii
Mediterranean Sea Holly
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Mediterranean Sea Holly (Eryngium bourgatii) - Description
Eryngium bourgatii (Mediterranean sea holly, Bourgati's eryngo) is a species of flowering plant in the family Apiaceae native to Morocco, Lebanon, Turkey, France, and Spain. It is a perennial herb growing to 15–45 cm (6–18 in) tall. The spherical blue flowerheads have spiny bracts. Numerous cultivars have been produced for garden use, of which 'Oxford Blue' has gained the Royal Horticultural Society's Award of Garden Merit.
Mediterranean Sea Holly (Eryngium bourgatii) - Blooming
Sea hollies look different according to where they are found. Species from wet, marshy areas have greenish white flowers with small bracts. Others usually form basal rosettes, with spiny leaves, and cylindrical umbels of stalkless flowers.
Mediterranean Sea Holly (Eryngium bourgatii) - Growth
Annuals, biennials, and evergreen and deciduous perennials, found both in dry and moist areas. Sea hollies grow best in full sun.
Mediterranean Sea Holly (Eryngium bourgatii) - Planting
When ripe, sow seeds in containers in a cold frame. Cold frames are protective structures, located outside for propagating and growing plants. Conduct division in spring. Division entails propagating a plant by splitting it into 2 or more parts. Each part has its own root system and more than one shoot or dormant bud. The plants usually take some time to re-establish. Can also propagate perennials from root cuttings in late winter.
Mediterranean Sea Holly (Eryngium bourgatii) - Pest
Eryngium is vulnerable to slugs, snails, root rot, and powdery midlew.
Mediterranean Sea Holly (Eryngium bourgatii) - Interesting facts
There are around 230 species of Eryngium, native to dry, rocky sites and coastal areas in Europe, northern Africa, Turkey, central Asia, China, and Korea. They are also found in wet marshy grasslands in Mexico, Brazil, and Argentina.
Mediterranean Sea Holly (Eryngium bourgatii) - Soil and irrigation
Different species of Eryngium have varying cultivation requirements. Some need dry, poor to moderately fertile, well-drained soil, while others do best in moist, fertile, soil with good drainage. Protect the former from excess winter moisture.
