How Do You Know When Indigo Tomatoes Are Ripe

They are ripe when their color changes from a shiny blue-purple to a dull purple-brown. The fruit also softens similarly to regular tomatoes, and the bottom of the tomatoes will turn from green to red when ripe. Anthocyanin produces in the fruit only where exposed to sunlight.

How do I know when my tomatoes are ripe for picking?

Your ripe tomato will give slightly to the touch. It shouldn’t be soft but rather a little tender. Because tomatoes ripen from the inside out, this is a good indicator that it’s ready. Be careful, however, to not bruise the fruit.

How do you know when a blue tomato is ripe?

So when to pick it? The secret is that when the shiny blue-purple turns to a dull purple-brown, the inside will be red-orange and will be ripe. Another clue is that the bottom of the fruit, which often remains green, since sunlight doesn’t reach it, will turn red.