Tu B'Shevat, the 15th day of the Jewish month of Shevat, is a holiday also known as the New Year for Trees. Tu B'Shevat is the new year for the purpose of calculating the age of trees for tithing. See Lev. 19:23-25, which states that fruit from trees may not be eaten during the first three years; the fourth year's fruit is for G-d, and after that, you can eat the fruit.
There are very few customs or observances related to this holiday but I happen to like it mainly because of my attraction to trees and nature. One custom is to eat a new fruit on this day. Some people plant trees. A lot of Jewish children go around collecting money for trees for Israel at this time of year.
Some ideas for rubber stamping are:
- Plant a tree
- Leviticus 19:24-25
- Proverbs 11:30