לֹֽא־תִטַּ֥ע לְךָ֛ אֲשֵׁרָ֖ה כָּל־עֵ֑ץ אֵ֗צֶל מִזְבַּ֛ח יְהוָ֥ה אֱלֹהֶ֖יךָ אֲשֶׁ֥ר תַּעֲשֶׂה־לָּֽךְ׃ (ס)
Thou shalt not plant thee an Asherah of any kind of tree beside the altar of the LORD thy God, which thou shalt make thee.
Related passages and parallel verses for Deuteronomy 16:21.