Numbers 19:6

And the priest shall take cedar-wood, and hyssop, and scarlet, and cast them into the midst of the burning of the heifer.

Leviticus 14:4

then shall the priest command to take for him that is to be cleansed two clean living birds, and cedar-wood, and scarlet, and hyssop.

Leviticus 14:6

as to the living bird he shall take it, and the cedar-wood, and the scarlet, and the hyssop, and dip them and the living bird in the blood of the bird that was killed over the running water;

Leviticus 14:49

And he shall take, to purge the house from the defilement, two birds, and cedar-wood, and scarlet, and hyssop;

Psalm 51:7

Purge me with hyssop, and I shall be clean; wash me, and I shall be whiter than snow.

Isaiah 1:18

Come now, let us reason together, saith Jehovah: though your sins be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool.

Hebrews 9:19-23

For every commandment having been spoken according to the law by Moses to all the people; having taken the blood of calves and goats, with water and scarlet wool and hyssop, he sprinkled both the book itself and all the people,

Treasury of Scripture Knowledge

Summary

And the priest shall take cedar wood, and hyssop, and scarlet, and cast it into the midst of the burning of the heifer.

Bible References

General references

Leviticus 14:4
then shall the priest command to take for him that is to be cleansed two clean living birds, and cedar-wood, and scarlet, and hyssop.
Psalm 51:7
Purge me with hyssop, and I shall be clean; wash me, and I shall be whiter than snow.
Isaiah 1:18
Come now, let us reason together, saith Jehovah: though your sins be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool.
Hebrews 9:19
For every commandment having been spoken according to the law by Moses to all the people; having taken the blood of calves and goats, with water and scarlet wool and hyssop, he sprinkled both the book itself and all the people,