Lucia Ortiz trudges through endless fields of cempasuchil flowers, the luminescent orange petals of which will soon cloak everything from city streets to cemeteries across Mexico. The flower, also known as the Mexican marigold, has been farmed for generations and takes the spotlight every year in the country’s Day of the Dead celebrations. But cempasuchil growers say they’ve been left reeling by torrential rains, stretching drought and other impacts from climate change that have grown increasingly common.