הַנִּצָּנִים֙ נִרְא֣וּ בָאָ֔רֶץ עֵ֥ת הַזָּמִ֖יר הִגִּ֑יעַ וְק֥וֹל הַתּ֖וֹר נִשְׁמַ֥ע בְּאַרְצֵֽנוּ׃
Die Blüten sind sichtbar am Boden, die Zeit des Sanges ist gekommen, und die Stimme der Turteltaube läßt sich hören auf dem Lande.
Rashi
The blossoms have appeared on the land. The days of summer are near, when the trees blossom and the travelers enjoy seeing them.
Ezra ben Solomon
The blossoms have appeared in the land: This refers to the nearness of the days of ease and the coming of the time of inheritance and rest.
Rashi
The time of singing has come. When the birds emit song, and pleasant sounds for travelers.
Rashi
And the voice of the turtledove. According to its apparent meaning, turtledoves and young pigeons. It is the nature for birds to sing and chirp in the days of Nissan.