Eryngium planum 'Blue Glitter'
Sea Holly
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Sea Holly (Eryngium planum 'Blue Glitter') - Description
This perennial is the one to place in that hot, sunny spot in your landscape! Eryngium 'Blue Glitter' won the Fleuroselect Gold Medal award for 2007 and is loved by florists as well as gardeners. Sea Holly has distinctive blue spiny flowers produced on silver-blue stems that stand high above blue-green deep toothed basal leaves. 'Blue Glitter' will add unique color and texture to any garden or floral bouquet.
Sea Holly (Eryngium planum 'Blue Glitter') - 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.
Sea Holly (Eryngium planum 'Blue Glitter') - Growth
Annuals, biennials, and evergreen and deciduous perennials, found both in dry and moist areas. Sea hollies grow best in full sun.
Sea Holly (Eryngium planum 'Blue Glitter') - 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.
Sea Holly (Eryngium planum 'Blue Glitter') - Pest
Eryngium is vulnerable to slugs, snails, root rot, and powdery midlew.
Sea Holly (Eryngium planum 'Blue Glitter') - 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.
Sea Holly (Eryngium planum 'Blue Glitter') - 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.
