Eryngium planum 'Jade Frost'
Sea Holly
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Sea Holly (Eryngium planum 'Jade Frost') - Description
Eryngium 'Jade Frost' is one of the most spectacular variegated plants we have ever seen! The unique blue-green leaves have a leathery texture and are surrounded by a bold, creamy-white margin. During times with cool night time temperatures, the variegation on the newer leaves is bright pink. To top off the spectacular foliage, the flowers are equally amazing! During mid-summer, masses of intense silver-blue, spiny flowers are produced on candelabra like stems. Florists love the long lasting cut flowers. Eryngium 'Jade Frost' also thrives in hot and dry areas and is very tolerant of high salt soils. Don't miss out on this great new perennial!
Sea Holly (Eryngium planum 'Jade Frost') - 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 'Jade Frost') - 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 'Jade Frost') - 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 'Jade Frost') - Pest
Eryngium is vulnerable to slugs, snails, root rot, and powdery midlew.
Sea Holly (Eryngium planum 'Jade Frost') - 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 'Jade Frost') - 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.
