As Mexico’s vibrant marigold, or cempasúchil, fields blanket the nation for Day of the Dead, the cherished “flower of the dead” faces unprecedented threats from climate change. Explore how farmers, scientists, and tradition bearers are adapting to sustain this living cultural icon for generations to come.
Across Mexico, from bustling city centers to rural canals, fields of blazing orange cempasúchil mark the heart of Day of the Dead (Día de los Muertos) celebrations. Known as the “flower of the dead,” this spectacular marigold has long been a bridge between memory and ritual, believed to guide departed souls with its radiant color and scent.
But behind this breathtaking sight lies a sobering reality: climate change is destabilizing the traditions rooted in these golden fields, threatening the flower’s future and the livelihoods of those who grow it.
The Cultural Backbone: Why the Cempasúchil Matters
For generations, the cempasúchil has played a central role in Mexican culture’s most important commemoration of ancestors. Its petals line altars, graves, and public spaces on November 1st and 2nd, transforming landscapes into blankets of vibrant gold. The flower’s fragrance and color have deep roots in Aztec belief, symbolizing both life and the memory of loved ones.
- Annual production sustains thousands of families, especially in traditional farming zones like Xochimilco on the outskirts of Mexico City.
- According to commerce group projections, marigold crops could bring in as much as $2.7 million for Mexican farmers in 2025, underlining the flower’s economic as well as spiritual importance.
- The centuries-old practice of chinampa farming—cultivating crops on small, canal-fed islands—remains the backbone of marigold cultivation in the region (Encyclopaedia Britannica).
Communities like those led by Lucia Ortiz and Carlos Jiménez carry on these legacies, yet their wisdom and hard work are now tested by rapidly changing weather patterns.
Climate Change: On the Front Line of Tradition and Survival
Recent years have seen marigold growers battered by extremes: record-breaking rains, severe droughts, and unpredictable seasonal shifts. In 2025 alone, torrential precipitation wiped out more than 37,000 acres of crops nationwide, with an estimated 2 million plants at risk in Xochimilco, according to local officials. Some farmers lost up to half their harvest to flooding, pests, or root rot—a trend that mirrors climate challenges facing agriculture worldwide (EPA climate indicators).
The economic pressure is as brutal as the environmental one. With profit margins evaporating, many families have been forced to cut back on essentials and reconsider their ability to keep farming marigolds. For some, the tradition itself is at stake.
- Loss of harvests is pushing historically autonomous farmers to the brink of leaving the trade.
- Reliance on imported hybrid seeds, chosen for uniformity and appearance, is shrinking the diversity of marigold variants and their resilience to changing conditions.
Seeds of Adaptation: Science, Tradition, and Community Innovation
Facing growing loss, scientists and community leaders are collaborating to rescue the diversity and sustainability of the cempasúchil. A key player is Toxinachcal, a local seed bank spearheaded by biologist Clara Soto Cortés, which preserves over 20 native variants of the marigold for future resilience.
Soto Cortés warns that hybrids, while convenient for mass-market sales, lack the hardiness bred into native strains over generations. Indigenous marigold variants, adapted to diverse climates and pests, may hold the genetic key to weathering tomorrow’s storms. Active seed-saving efforts and experiments with more resilient cultivation methods are already taking place on the ground.
- Seed banks protect centuries of biological adaptation essential for climate resilience.
- Farmer-led innovations—such as small greenhouses or sustainable water management—are gaining traction, though upfront investment remains a barrier.
Community support from local governments has so far been modest, leading many growers to band together or seek collaboration with researchers to keep their farming—and family legacies—alive. Mexico City’s recent record crop of 6 million marigold plants, achieved in the face of adversity, shows both the persistence and determination of farmers.
A Living Tradition in Peril: What the Future Holds
For families like those of Ortiz and Jiménez, the stakes are more than economic. “These are traditions we carry down from our ancestors. They can’t just disappear,” says Jiménez, voicing a sentiment widely shared in Mexican farming communities.
While climate change presents daunting challenges, the resilience of Mexican growers, supported by scientific innovation and community solidarity, keeps hope alive that the marigold will remain a vibrant thread in the nation’s cultural tapestry.
What Can Be Done?
- Support community-led, science-based seed-saving and breeding programs, emphasizing the genetic diversity of native marigolds.
- Increase government and institutional investment in resilient agriculture tailored to local environments (National Geographic).
- Raise awareness about the origins of market flowers and why preserving traditional growing methods matters—for the environment and for culture.
- Celebrate sustainable Day of the Dead practices by sourcing marigolds from traditional local growers and learning about the challenges they face.
As the path to the altars is lit each November, remember that the brilliant marigolds are more than a symbol—they are living proof of the enduring strength of Mexico’s people and the delicate balance between heritage and nature. Their survival will require adaptation, innovation, and the sustained commitment of all who value the intersection of culture and environment.
