Harvest pumpkins before a killing frost.
Continue to harvest vegetables. If hard frost threatens, pick all tomatoes, including the unripe ones, and store in cardboard boxes or paper bags in basement.
Cut back any remaining herbs and bring them indoors to use fresh or dry.
Cover tender plants from light freezes at night by covering them with sheets, plastic, or upturned bushel baskets.
Apply a heavy mulch over leeks, Jerusalem artichokes, carrots, beets, and turnips to continue the harvest into early winter.
After a hard frost, remove all dead plant material from the vegetable garden and compost. Rototill 1 to 2 inches of organic material, composted manure, or shredded leaf mold into garden soil. Add granulated sulfur according to package directions.
Remove all fallen fruit from your garden and yard. Maintain proper sanitation throughout entire garden area.