וְלָקַ֣ח הַכֹּהֵ֗ן עֵ֥ץ אֶ֛רֶז וְאֵז֖וֹב וּשְׁנִ֣י תוֹלָ֑עַת וְהִשְׁלִ֕יךְ אֶל־תּ֖וֹךְ שְׂרֵפַ֥ת הַפָּרָֽה׃
And the priest shall take cedar-wood, and hyssop, and scarlet, and cast it into the midst of the burning of the heifer.
Targum Jonathan on Numbers
And another priest shall take a piece of cedar wood and hyssop, and (wool) whose colour hath been changed to scarlet, and throw them into the midst of the burning of the heifer; and he shall enlarge the burning, that the ashes may be increased.
Targum Jerusalem
And throw into the midst of the ashes of the burning heifer.