Mowing is sickness and death to Christians and Jews.

(See Scythe)

If you were mowing the lawn, then such dream suggests you to start making some changes and differences in your life, otherwise you will not fulfill your needs.

…(Death | Mowing | Sickle) In a dream, a scythe means profits, good harvest, good news, true news, or the harvest of one’s life. (Also see Scissors)…

…Dreaming of seeing reapers busy at work at their task, denotes prosperity and contentment. If they appear to be going through dried stubble, there will be a lack of good crops, and business will consequently fall off. To see idle ones, denotes that some discouraging event will come in the midst of prosperity. To see a broken reaping machine, signifies loss of employment, or disappointment in trades. See Mowing….

…If you dream of mowing hay, you will find much good in life, and if a farmer your crops will yield abundantly. To see fields of newly cut hay, is a sign of unusual prosperity. If you are hauling and putting hay into barns, your fortune is assured, and you will realize great profit from some enterprise. To see loads of hay passing through the street, you will meet influential strangers who will add much to your pleasure. To feed hay to stock, indicates that you will offer aid to some one who will return the favor with love and advancement to higher states….