Take root, Israel will bud and blossom and fill all the world with fruit.

Isaiah 27:1-13
When its twigs are dry, they are broken off and women come and make fires with them. For this is  people without understanding; so their Maker has no compassion on them, and their Creator shows them no favor.
In that day the Lord will thresh from the flowing Euphrates to the Wadi of Egypt, and you, O Israelites, will be gathered up one by one.
In days to come Jacob will take root, Israel will bud and blossom and fill all the world with fruit.
The song of vineyard contracts with chapter 5. The day will come when God's purpose for his punishment is intended as a corrective. The exile will end.
In the final harvest all God's people will be brought home.
Why?
In chapter 5 the Lord forsake tthe vineyard, here the Lord will rebuild the vineyard.