
Limes are true stars of the citrus world, adding zest to countless dishes. However, telling if your lime is ripe can be a bit challenging. Once you cut into it, it stops ripening, so it’s important to select the right one from the store. Typically, limes are harvested slightly under-ripe to avoid damage during shipping. In the store, you’ll want to pick limes that are ripe, as they can stay fresh in the fridge for up to a month. While most American grocery stores offer Persian or Tahitian limes, you might also find Key limes, finger limes, or other varieties. Fortunately, the method for testing ripeness is consistent across most types of this tangy fruit. So, do you have a ripe lime? Here's how to check.
Give the Skin a Whiff
Like many other citrus fruits, limes should have that unmistakable lime scent. While you can’t cut or juice a lime in the store, a quick sniff of the skin can give you a good sense of its quality. Gently scratch the rind to release its aroma and see if it smells like a lime. If you don’t catch any scent, it might not be ripe yet. Some people like to roll the limes in their hands for a moment, warming up the skin to release the fragrance.
Gently Squeeze the Lime
Limes should feel soft and yield easily when juiced, but not so mushy that they’re falling apart. A lime that has been stored too long at room temperature or in a cold place can become hard and dry on the inside. To check for ripeness, give the lime a gentle squeeze. It should have a slight give and return to its original shape afterward. If you leave a dent in the skin, the lime is overripe or possibly spoiled.
Examine the Color
While dark green limes may look perfect, they’re actually the least ripe. Just like peppers, which ripen from green to red, limes transition from dark green to yellow as they ripen. Yellow limes are the sweetest and ripest, although light green ones are still great for eating or juicing. Darker limes tend to be less juicy, so opt for lighter, brighter ones for a juicier lime. Small brown or yellow spots are usually fine, but large brown spots or bruises suggest the lime might be past its prime.
Assess the Weight of the Lime
Much like other juicy fruits, limes should feel hefty for their size. It can be tricky to judge, but a lime that feels heavier typically contains more juice. To compare, hold a few limes of similar size in your hand and see if any feel noticeably heavier. If a lime feels light or almost weightless, it might not have as much juice inside.
Check the Skin Texture
A ripe lime should have smooth skin, with a texture reminiscent of pebbled leather. If the lime’s skin feels bumpy or thick, it’s likely not ripe. Be aware that many commercially sold citrus fruits are coated in a layer of wax to preserve freshness, which makes them shine. You can remove this wax by submerging the fruit in hot water for 5-10 minutes before eating, but keep in mind that the wax can also highlight imperfections in the skin. Limes that appear dull are usually uncoated, and shininess alone doesn’t indicate freshness or ripeness.