Hyssop See also BD Hyssop bunch of hyssop, and dip it in the blood, Ex. 12:22. Purge me with hyssop, and I shall be clean, Ps. 51:7. put it upon hyssop, and put it to his mouth, John 19:29. took the blood … with water, and scarlet wool, and hyssop, and sprinkled, Heb. 9:19.