Jacobaea vulgaris Gaertn.
Jacobaea vulgaris
Jacobaea vulgaris, commonly known as ragwort, is a biennial or perennial plant native to northern Eurasia. It typically grows in dry, open places and has erect stems that can reach heights of 0.3 to 2.0 meters. The leaves are pinnately lobed with a blunt end lobe and have an unpleasant smell, earning it names like 'stinking willie' and 'stammerwort'. The flowers are bright yellow, arranged in dense, flat-topped clusters, and bloom from June to November. The plant is known for its significant nectar production, which supports various pollinators.
Details
Asterales
Asteraceae
Jacobaea
The plant contains several pyrrolizidine alkaloids, including jacobine, jaconine, jacozine, otosenine, retrorsine, seneciphylline, senecionine, and senkirkine. These alkaloids make the plant toxic to certain animals, particularly livestock like cattle and horses.
Despite its toxicity, ragwort is valued for its ecological importance. It provides nectar for pollinators and serves as a food source for at least 77 insect species, some of which are rare or threatened. Historically, it has been used for medicinal purposes and as a dye source.
June to November
0.3–2.0 meters
Bright yellow
Dry, open places, waste land, waysides, grazing pastures, sand dunes, road sides, railways, and light, low fertility soil.
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Pannon Flora Ltd. was founded on December 13, 1999, by Gábor Janik, who retains 95% ownership. Janik holds an MSc in Horticulture from the University of Horticultural Sciences (1986) and an Advanced Professional English Certification from the College of International Trade (1990). The company specializes in bird feed production and export, primarily serving markets in Italy, Germany, the Netherlands, and the UK, alongside cultivating and distributing imported/exported horticultural seeds. It maintains exclusive partnerships with JOEUN Seed (South Korea) and Takii Europe (Japan), a leader in professional seed breeding and production. Pannon Flora collaborates with certification bodies such as NÉBIH (National Food Chain Safety Office), MERT Kontroll, and SGS Hungary to ensure compliance and quality. The company works with approximately 400 Hungarian growers, ranging from small-scale producers (under 5 hectares) to mid-sized farms and large-scale agricultural enterprises. This profile emphasizes agribusiness expertise, technical partnerships, and operational scalability tailored to international client needs.
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