Fruits that do not ripen easily

Once harvested, it doesn't ripen much further.

Pineapple

They tend to maintain their ripeness and don't ripen after being picked.

Citrus fruits

These usually don’t ripen after harvest; they’re best picked when fully ripe.

Blueberries

They also do not ripen significantly after being harvested.

Cherries

Similar to cherries, they don’t continue to ripen post-harvest.

Grapes

While some varieties can ripen slightly, many are picked at peak ripeness.

Apples