Autumn aspen trees near Guardsman Pass, Utah, United States
© Danita Delimont/Shutterstoc
The golden season. Autumn equinox
The autumn equinox marks a turning point in the Northern Hemisphere. Occurring each September, it is the moment when the sun crosses the equator heading south, and day and night are nearly equal in length. After this celestial balance, daylight gradually shrinks as the journey towards winter begins.
Near Guardsman Pass in Utah, the change is written across the mountainsides in gold. Many of the aspens colouring the American West are quaking aspens, the most widely distributed native tree species in North America. What appears to be a forest of individuals is often something else entirely: many aspens grow in connected colonies, with trunks emerging from a shared root network and carrying the same genetic code as their neighbours.
Even as their leaves turn yellow and fall, much of the organism remains alive below ground. Aspens can persist through winter via their root systems, quietly preparing for future growth. The autumn equinox may signal summer's end, but in these remarkable groves, life never truly pauses.
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