Eryngium Planum Plant: A Comprehensive Guide
Introduction
Eryngium Planum, also known as the Blue Eryngo or Flat Sea Holly, is a striking perennial plant that is commonly found in gardens across Europe and North America. With its unique blue, spiky flowers and silvery foliage, Eryngium Planum is a popular choice for both ornamental and medicinal purposes. In this article, we will delve into the characteristics, cultivation, and uses of the Eryngium Planum plant.
Characteristics
Eryngium Planum is a herbaceous perennial that belongs to the Apiaceae family. It typically grows to a height of 60-90 cm (24-36 inches) and has a spread of 30-45 cm (12-18 inches). The plant features basal rosettes of spiny, lobed leaves that are silver-green in color. In the summer, Eryngium Planum produces distinctive, cone-shaped flower heads with metallic blue bracts that surround tiny, blue florets. These flowers attract pollinators such as bees and butterflies.
Cultivation
Eryngium Planum is a hardy plant that thrives in full sun and well-drained soil. It is drought-tolerant and can withstand hot, dry conditions. To grow Eryngium Planum, sow the seeds directly into the ground in the spring or early summer. The seeds should be spaced 30-45 cm (12-18 inches) apart, as the plant requires room to spread. Water the seeds regularly until they germinate, and then reduce watering once the plant is established.
Propagation
Eryngium Planum can also be propagated through division or stem cuttings. To divide the plant, dig up the root ball in the spring and separate the clumps into smaller sections. Replant the divisions in a new location and water them thoroughly. For stem cuttings, take 10-15 cm (4-6 inch) long cuttings from the plant in the spring or early summer. Remove the lower leaves and plant the cuttings in a mix of sand and peat moss. Keep the cuttings moist until they develop roots.
Uses

Eryngium Planum has both ornamental and medicinal uses. In the garden, the plant is valued for its striking appearance and ability to attract pollinators. The blue flowers can be cut and dried for use in floral arrangements or crafts. Additionally, Eryngium Planum is often used in xeriscaping and rock gardens due to its drought-tolerant nature.
In terms of medicinal uses, Eryngium Planum has been traditionally used in herbal medicine to treat a variety of ailments. The roots of the plant are believed to have diuretic, anti-inflammatory, and antiseptic properties. They can be brewed into a tea or tincture and consumed to alleviate symptoms of urinary tract infections, arthritis, and skin conditions. However, it is important to consult with a healthcare professional before using Eryngium Planum for medicinal purposes.
In conclusion
Eryngium Planum is a versatile and beautiful plant that can enhance any garden with its unique appearance and beneficial properties. Whether grown for ornamental purposes or harvested for medicinal use, the Blue Eryngo is a valuable addition to any landscape. With proper care and cultivation, Eryngium Planum can thrive and bring joy to gardeners for years to come.