Eryngium yuccifolium
Button Snake-Root
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Button Snake-Root (Eryngium yuccifolium) - Description
Eryngium yuccifolium (Button snake-root, Rattlesnake Master) is a common herbaceous perennial plant, native to the tallgrass prairies of central and eastern North America, from Minnesota east to Ohio and south to Texas and Florida. It grows to 1. 8 m tall, with linear leaves 15–100 cm long but only 1–3 cm broad, with bristly or spiny margins and a sharp tip.
Button Snake-Root (Eryngium yuccifolium) - 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.
Button Snake-Root (Eryngium yuccifolium) - Growth
Annuals, biennials, and evergreen and deciduous perennials, found both in dry and moist areas. Sea hollies grow best in full sun.
Button Snake-Root (Eryngium yuccifolium) - 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.
Button Snake-Root (Eryngium yuccifolium) - Pest
Eryngium is vulnerable to slugs, snails, root rot, and powdery midlew.
Button Snake-Root (Eryngium yuccifolium) - 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.
Button Snake-Root (Eryngium yuccifolium) - 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.
