Tree Talk: Wearing o' the Green

Don't look now, but March 1st marked the meteorological beginning of spring. When I was a kid, spring clearly started on March 21 (the vernal equinox – when the sun and the equator celebrate a secret handshake), a much more likely date for closing the door on winter in North Dakota. Apparently, meteorologists rule when it comes to marking our seasons.

The most familiar holiday for the month is St....