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Why do trees shed leaves in winter?

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In temperate forests across the Northern Hemisphere, trees shed their leaves during autumn as cold weather approaches. In tropical and subtropical forests, trees shed their leaves at the onset of the dry season. Many types of trees shed their leaves as a strategy to survive harsh weather conditions. read more

Trees lose their leaves in winter because the ground in cold climates can freeze making the soil as dry as desert. To reduce moisture loss due to transpiration through the plants leaves, the tree simply drops them until the warmer spring weather returns. read more

Trees that lose all of their leaves for part of the year are known as deciduous trees. Those that don’t are called evergreen trees. Common deciduous trees in the Northern Hemisphere include several species of ash, aspen, beech, birch, cherry, elm, hickory, hornbeam, maple, oak, poplar and willow. read more

Deciduous trees lose their leaves every winter, rather than maintaining green foliage throughout the year like evergreens do. Often, the trees provide a radiant show of fall color before they lose their leaves, and in some regions, this fall color is a vacation attraction that visitors from all over enjoy. read more

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