What exactly is Tu B’Shvat? If you do a quick Google search, you may find an explanation similar to this one from the Boston Public Library ( bpl.org ): “Tu BiShvat (Tu B’Shevat, Tu Bishvat) is the Jewish New Year for trees. It occurs on the 15th day of the month of Sh’vat in the Jewish calendar.” In simple terms, Tu B’Shvat is a designated time for counting the age of fruit trees—almost like a collective birthday for trees. This makes it easier to determine a tree’s year wit