On a beautiful fall day in 2019, Miranda Sinnott-Armstrong was walking down Pearl Street in Boulder, Colorado when something caught her eye: a small, particularly shiny blue fruit, on a shrub known as Lantana strigocamara. While its tiny clusters of pink, yellow and orange flowers and blue berries commonly adorn the pedestrian mall in spring, city workers were ripping these common Lantanas out to prepare for the winter season.