Argemone Mexicana May 2026

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

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

: It traveled as a contaminant in wheat shipments to New Zealand in the 1890s and Australia in 1845. : Because of its striking yellow petals and

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: argemone mexicana