Ripen the last of your tomatoes
As temperatures and light levels fall, tomatoes take longer to ripen, eventually refusing to do so at all. You can encourage the last fruits to turn red, allowing you to remove them and make way for new plantings, or prepare the soil for next season. Whole plants or sections of it can be uprooted and hung, fruit a ached, in the window of a shed or garage until the fruit ripens. This at least allows you to reuse the soil vacated by the crop. Be er still, remove unripe fruit from the old plants and put them in a dark drawer. Add some ripe fruit – bananas work well. These give off ethylene gas, which speeds up the ripening process.