Ripening Green Tomatoes with Apples

The Challenge of Unripe Tomatoes

At the end of the growing season, unfavorable weather can prevent tomatoes from fully ripening on the vine. This often leaves gardeners with a large harvest of green tomatoes that may otherwise go to waste. Fortunately, there is a simple technique to encourage them to ripen indoors.

How to Ripen Green Tomatoes Using Apples

This method utilizes a natural plant hormone to speed up the ripening process. By following these steps, you can turn many of your green tomatoes red.

The Process:

1. Take your unripe, green tomatoes and place them together with a few ripe apples.
2. Wrap the fruits together in newspaper.
3. Store them in a dark place and check on them regularly.

After approximately one to two weeks, you should begin to see the first tomatoes turning red and ready to be used.

Why It Works:

The scientific principle behind this method is the release of ethylene gas. Ripe apples, as well as tomatoes themselves, emit this natural plant hormone. Ethylene triggers the ripening process in the tomatoes, stimulating the production of pigments that give them their characteristic red color.

Important Considerations:

• This technique is most effective for tomatoes that have already started the maturation process. Very immature green tomatoes may not ripen successfully and may need to be discarded.
• It is also possible for tomatoes to ripen using this method without the addition of apples, as they produce their own ethylene, though the process might be slower.