A cleaning apparatus for mounting on a wellhead of a well to spray elements positioned in a central passage of the wellhead. The cleaning apparatus may comprise an annular body including an inner surface defining at least a portion of an aperture through the body, with the annular body defining a fluid channel therein. The apparatus may comprise an inlet fitting on the annular body and in fluid communication with the fluid channel, and a plurality of orifices positioned on the annular body and oriented to direct fluid into the aperture. The orifices may be in fluid communication with the fluid channel such that fluid carried in the fluid channel is moved through the orifices into the aperture. A method is also disclosed, and a wellhead assembly including the cleaning apparatus is also disclosed.