How to Make Tomatoes Ripen That Are Grown Indoors

Almost nothing, it seems, can beat the flavor, feel and aroma of a homegrown, outdoor, vine-ripened tomato. Still, growing tomatoes indoors may appeal to those who lack a garden plot or who want to grow the plants year-round. Indoor tomato varieties yield smaller fruit and smaller tomatoes tend to ripen faster, even as they cling to the vine. All the same, some indoor tomato growers may be inclined to pick fruit early for off-the-vine ripening.

Ripe tomato or banana
Brown paper bag

Instructions

- 1
  Place the ripe banana or tomato in the brown bag. Ripe fruit gives off ethylene gas, which helps tomatoes to mature.
- 2
  Add, in a single layer, tomatoes to be ripened. The higher the ratio of unripe tomatoes to ripe fruit, the slower the process will be.
- 3
  Check the tomatoes each day to see how they are ripening. In general, according to Colorado State Extension, at ambient temperatures of 65 to 70 degrees Fahrenheit, it will take about two weeks for tomatoes to ripen. At lower temperatures, it will take longer.
- 4
  Remove tomatoes when they achieve the state of ripeness you desire.

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