Numbers 19:6
The priest is to take cedar wood, hyssop, and scarlet wool and throw them onto the burning heifer.
Berean Standard Bible
And the priest shall take cedar wood, and hyssop, and scarlet, and cast it into the midst of the burning of the heifer.
The priest shall take cedar wood, hyssop, and scarlet, and cast it into the middle of the burning of the heifer.