Manasseh even took the carved Asherah pole he had made and set it up in the temple, of which the LORD had said to David and his son Solomon, “In this temple and in Jerusalem, which I have chosen out of all the tribes of Israel, I will establish My Name forever.
How delightful were our meditations on the last reign! How many pleasing views had we of Sion in its glory (that is, in its purity and in its triumphs), of the king in his beauty! (for Isa 33:17 refers to Hezekiah), and (as it follows there, Kg2 21:20) Jerusalem was a quiet habitation because a city of righteousness, Isa 1:26.
Commenting on 2 Kings 21:1-9
Which was either an image that had been placed in a grove planted by him, and now removed into the house or temple of the Lord; or, as some think, this was a representation of a grove, a carved grove of gold or silver, in the midst of which an image was placed in the temple; though what Selden observes (b), seems best of all...
And he set a graven image--The placing of the Asherah within the precincts of the temple, which was dedicated to the worship of the true God, is dwelt upon as the most aggravated outrage of the royal idolater.