וְעַל־הַנַּ֣חַל יַעֲלֶ֣ה עַל־שְׂפָת֣וֹ מִזֶּ֣ה ׀ וּמִזֶּ֣ה ׀ כָּל־עֵֽץ־מַ֠אֲכָל לֹא־יִבּ֨וֹל עָלֵ֜הוּ וְלֹֽא־יִתֹּ֣ם פִּרְי֗וֹ לָֽחֳדָשָׁיו֙ יְבַכֵּ֔ר כִּ֣י מֵימָ֔יו מִן־הַמִּקְדָּ֖שׁ הֵ֣מָּה יֽוֹצְאִ֑ים והיו [וְהָיָ֤ה] פִרְיוֹ֙ לְמַֽאֲכָ֔ל וְעָלֵ֖הוּ לִתְרוּפָֽה׃ (ס)
Et, près du torrent, sur ses bords, des deux côtés, s’élèveront toutes sortes d’arbres fruitiers, dont les feuilles ne se flétriront pas et dont les fruits ne s’épuiseront point. Chaque mois, ils donneront de nouveaux fruits, car leurs eaux sortent du sanctuaire: leur fruit servira de nourriture et leurs feuilles de remèdes."
Tosefta Ta'anit
We ask for the rains until Nissan is over, as it says, "And rain will fall for you, the earlier and latter rains during the first [month] (Yoel 2);" [these are] the words of Rabbi Meir. And the Sages say,"Earlier rains [fall in] Marcheshvan, and latter rains [fall on] the first of Nissan (and so these dates are the timetable for prayers for rain). Rabbi Meir said to them, "Knowing that a tree makes fruit for twelve [months], and produce [grows] for six months; what have we found with trees, as it says [about it], "By its month (meaning halfway through the month), it will bear (Yechezkel 47)," so too produce, at its fifteenth day [its season ends]. Haven't you learnt, that earlier and latter rains [fall throughout] Nissan.