Argemone Mexicana «2026 Edition»

: Because of its striking yellow petals and blue-green foliage, it was intentionally brought to Hawaii as a decorative plant in 1934.

: It traveled as a contaminant in wheat shipments to New Zealand in the 1890s and Australia in 1845. argemone mexicana

Native to the subtropical regions of Mexico and the southern United States, this hardy annual first appeared in botanical catalogs as early as . It eventually caught the attention of historical figures like Thomas Jefferson , who recorded planting the "curious" flower in his garden in 1767. Its spread across the globe was often accidental: : Because of its striking yellow petals and

: By the early 19th century, it had already become one of the most widespread weeds on remote islands like St. Helena . argemone mexicana