Tu BiShvat (Hebrew for the 15th day of the Hebrew month of Shvat) is the new year of the trees.
Try this delicious fresh figs recipe--a delicious treat with goat cheese and honey that your whole family is sure to enjoy!
"Tu" (the Hebrew abbreviation of 15th) in the month of Shvat was set (Hillel's opinion generally overrules Shammai's) as the beginning of the tithable year for tree fruit: Calculating the tithe on fruit starts again for fruit that sets after that date.
The actual Rosh Chodesh celebration is hardly mandated, so there's a lot of room for creativity in designing a ritual celebration. Here are a few ideas for starting your own.