How do we grow this Tu Bishvat?

(1) They are four days in the year that serve as the New Year, each for a different purpose: On the first of Nisan is the New Year for kings; And for the order of the Festivals,

On the first of Elul is the New Year for animal tithes; Rabbi Elazar and Rabbi Shimon say: on the first of Tishrei.

On the first of Tishrei is the New Year for counting years, for Sabbatical Years and Jubilee Years, for planting, and for tithing vegetables,

On the first of Shevat is the New Year for the tree; in accordance with the statement of Beit Shammai.

But Beit Hillel say: The New Year for trees is on the fifteenth of Shevat.

The Talmud relates: When they were taking leave of one another, Rav Naḥman said to Rabbi Yitzḥak: Master, give me a blessing. Rabbi Yitzḥak said to him: I will tell you a parable. To what is this matter comparable? It is comparable to one who was walking through a desert and who was hungry, tired, and thirsty. And he found a tree whose fruits were sweet and whose shade was pleasant, and a stream of water flowed beneath it. He ate from the fruits of the tree, drank from the water in the stream, and sat in the shade of the tree. And when he wished to leave, he said: Tree, tree, with what shall I bless you? If I say to you that your fruits should be sweet, your fruits are already sweet; if I say that your shade should be pleasant, your shade is already pleasant; if I say that a stream of water should flow beneath you, a stream of water already flows beneath you. Rather, I will bless you as follows: May it be God’s will that all saplings which they plant from you