Decreasing daylight triggers deciduous trees to stop producing chlorophyll, revealing the vibrant reds, oranges, and yellows.
In the Southern Hemisphere, autumn typically begins around and ends around June 20 or 21 . when is autumn
Autumn officially begins in in the Northern Hemisphere and in March in the Southern Hemisphere. The exact start date depends on whether you follow the astronomical or meteorological calendar. revealing the vibrant reds
In many regions, the "real" feeling of autumn doesn't arrive until the first morning you have to scrape frost off your windshield. Why Does the Timing Matter? and yellows. In the Southern Hemisphere