Everything that plant needs to survive, to grow, has to be injected into that sand, or you get nothing. … It’s actually emitted naturally by the plants in the fields when they want to ripen their fruits. In this case, it’s artificial, and even if a tomato is not ripe, it obligingly turns red.

Are tomatoes sprayed?

First, the full tomatoes are handpicked and then loaded into trucks. Soon after, the fruits are brought to a warehouse where they are then cleaned, waxed, and cartoned. Next, the bright green tomatoes are then brought into warehouses where processors emit ethylene gas spray on them.

What do they use to ripen tomatoes?

• In order to speed up the ripening process, all you need to do is trap the ethene gas in with the tomatoes by putting them in a paper bag, cardboard box or empty kitchen drawer.
• Add a ripening banana or apple, which will also give off ethene to help things along.