Tu B’Shvat was this week, but the dramatic change in how we commemorate it happened in the 17th century. Tu B’Shvat underwent a metamorphosis because of the publication of a new mystical and kabbalistic work. The work was called Chemdas Yamim and its origins are somewhat obscure. It was printed anonymously and it was the publication of this Sefer that caused the Tu B’Shvat revolution.
