Deciduous trees, ice-cream stands, and marinas close each fall for the same reason: as daylight dwindles and cold creeps in, they become less profitable. When income dips down to equal the cost of doing business, a wise proprietor will turn out the lights and lock the doors until spring. Some enterprising holdouts stay open longer. Perhaps they have less competition, or a better location. Conversely, a few close shop at the first whiff of autumn. Those are the ventures which just scrape by at the height of summer. I’m talking about trees here, of course. Trees whose leaves show color ahead of their same-species peers are doing so because they are barely breaking even.

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