It was very cold this morning (sweater and jacket). The leaves are turning very fast on the trees here in Ontario. I am looking forward to the big drop as our busiest time of year approaches.

Changing Leaves

A leaf has a limited life span, usually living for only one growing season in most deciduous plants and rarely more than a few years in evergreen plants. In temperate regions, leaves develop and grow during spring and early summer. In autumn they grow old, change color, and die. In nonwoody plants the leaves wither and fall away because of decay and various external conditions. Woody plants lose their leaves as a result of characteristic changes in the base of the leaf. In tropical regions that have distinct wet and dry seasons, the formation and fall of leaves depend on moisture conditions rather than temperature. Contrary to popular belief, evergreen plants also shed their leaves. However, evergreens are never bare because the old leaves are pushed out only as new leaves develop.

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