Blaue Blüte der Kornblume

Cornflower

The cornflower (Centaurea cyanus) is a flowering plant in the Centaurea genus, belonging to the aster family (Asteraceae). Its edible flowers are often used in colorful salads and herbal and fruit tea blends. Originally native to the Mediterranean region and parts of Western Asia, the cornflower is now widespread across the globe. Its name in German reflects its typical habitat in grain fields.

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Detailed Description

The cornflower is a captivating annual plant known for its vibrant flowers and varied colors. It can grow anywhere from 8 inches to 3 feet tall, with upright stems that are softly adorned with fine hairs. From May to September, these stems burst into life with tubular blooms in stunning shades of violet, red, pink, white, or blue. Though charming, wild cornflowers are protected by law in various countries, so those you see in culinary dishes typically come from dedicated farms.

The journey of a cornflower from field to table is meticulous. The flowers are hand-harvested with care to maintain their delicate structure and high quality. For tea enthusiasts, the fresh flowers are swiftly dried either under the sun or in specially designed drying rooms to preserve their sweet fragrance and delightful, sweet-floral taste with just a hint of bitterness. In culinary creations, while they may not dominate the flavor profile, cornflowers often steal the show as decorative highlights, adding a splash of color to salads and other dishes.

History

The rich history of the cornflower dates back to ancient times when it was used as a medicinal plant. It continued to be utilized in folk medicine during the Middle Ages and the early modern period. Its vibrant blue color made it popular as a textile dye. The striking contrast of its bright blue against fields of rye and wheat has made it a symbol of hope, fidelity, and endurance in various cultures. In Germany, during the 19th and early 20th centuries, the cornflower symbolized independence in the Kingdom of Prussia. In France, it serves as a symbol to honor World War I veterans.

Today, wild populations of cornflowers are dwindling due to over-fertilization and pesticide use, making them a protected species in several countries. As a symbol of sustainability and environmental consciousness, cornflowers are often included in wildflower seed mixes.

Interesting Facts

  • Because of its high nectar content, the cornflower is valued highly in beekeeping.
  • The cornflower has been Estonia's national flower since 1968 and was featured on the country's 2024 2-Euro coin.
  • The Latin name Centaurea is derived from a Greek myth in which the centaur Chiron is said to have used it to heal a wound on the hero Achilles' foot, highlighting its historical use as a medicinal plant.