Tyler Wynn
Choosing a ripe watermelon can be a challenging task. However, there are several indicators to help you select the best watermelon for your summer treat. One of the most well-known methods is to tap the watermelon and listen for a hollow sound. A ripe watermelon will typically produce a dull, hollow sound, while an unripe one will have a higher-pitched ping or thwack sound. In addition to the sound test, you should also look for other signs such as a creamy yellow spot on the underside, indicating that it ripened in the sun, and a heavy weight relative to its size, suggesting high water content.
| Characteristics | Values |
|---|---|
| Sound | Hollow, dull |
| Sound comparison | More like a "plunk" than a "thwack" |
| Unripe sound | Higher-pitched |
| Overripe sound | "Thud", lower-pitched |
| Unripe watermelon sound | Ping |
| Overripe watermelon sound | Mush |
| Underside colour | Yellow, creamy yellow |
| Underside colour comparison | Not white |
| Weight | Heavy for its size |
| Rind | Shouldn't be soft |
| Smell | Slightly sweet |
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What You'll Learn
A ripe watermelon should sound hollow when knocked on
A ripe watermelon should indeed sound hollow when knocked on. The hollow sound indicates that the watermelon is ripe and juicy. The sound is described as a "plunk" rather than a "thwack". An unripe watermelon will have a higher-pitched sound, while an overripe one will make a "thud" or lower-pitched sound.
There are several other ways to determine if a watermelon is ripe. One method is to look for a creamy yellow spot on the underside, which indicates that the watermelon ripened in the sun and will be sweet and flavorful. Another sign of ripeness is the weight of the watermelon; a ripe watermelon should feel heavy for its size, indicating a high water content.
The presence of webbing, or brown, coarse lines on the side of the melon, may also suggest ripeness. While there is no scientific proof, some believe that more webbing indicates a sweeter and riper watermelon. Additionally, you can lightly scratch the surface of the watermelon with your fingernail. If the watermelon is ripe, the rind will come away easily, revealing a white-green area underneath. An unripe watermelon will only show an indentation and a darker line when scratched.
It is important to note that watermelons do not continue to ripen after being harvested, so it is essential to know these indicators to choose a ripe watermelon.
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It should not sound too hollow, or it may be overripe
When selecting a watermelon, you want to choose one that is ripe and ready to eat. An unripe watermelon will be a disappointment to bite into, as it will be bland and not sweet. So, how do you know if a watermelon is ripe?
One way is to test its sound. A ripe watermelon should sound hollow when knocked. However, it should not sound too hollow, or it may be overripe. An extremely hollow sound may indicate that the watermelon is about to turn to mush. An overripe watermelon will make a "thud" or lower-pitched sound. An unripe watermelon, on the other hand, will have a higher-pitched sound.
In addition to the sound test, there are other ways to determine if a watermelon is ripe. One is to look for a creamy yellow spot on its underside, where it sat on the ground and ripened in the sun. This is called the field spot or ground spot. If the spot is light green or white, the watermelon is not yet ripe. Another indicator is the weight of the watermelon. A ripe watermelon should feel heavy for its size, indicating a high water content. You can also do a sniff test. A ripe watermelon should smell slightly sweet, similar to what a melon tastes like, but not overly sweet, as this may indicate it is overripe.
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A creamy yellow underside indicates a ripe watermelon
A ripe watermelon is often identified by knocking on it and listening for a hollow sound. However, another way to identify a ripe watermelon is by observing its underside. A creamy yellow underside, also known as a field spot or ground spot, indicates that the watermelon has ripened on the vine and will be sweet and flavorful. This yellow spot is a result of the watermelon sitting on the ground and ripening in the sun. If the underside is light green or white, it means the watermelon was picked too early and is not ripe yet.
A ripe watermelon will also be heavy for its size, indicating a high water content, as watermelons are 92-93% water. Additionally, the duller the yellow color, the longer the ripening period, and the sweeter the fruit. A deeper yellow color is an indication of a watermelon that has ripened longer and will be sweeter.
Other ways to determine the ripeness of a watermelon include scratching its surface lightly with your fingernail. If the watermelon is ripe, the rind will come away easily, revealing a white-green area underneath. An immature watermelon will only show an indentation and a darker line when scratched.
You can also rap on the middle of the watermelon with your knuckles while holding it up to your ear. A ripe watermelon will have a hollow sound, while an unripe one will sound higher-pitched, and an overripe one will make a "thud" or lower-pitched sound.
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A watermelon with webbing may be sweeter and riper
Picking a ripe watermelon can be a tricky task. While some people suggest thumping or knocking on the watermelon to check for a hollow sound, others disagree with this method. According to Matthew Bertucci, a research scientist at the University of Arkansas System Division of Agriculture, and Vic Ford of the Cooperative Extension Service, thumping is not a good indicator of ripeness. They suggest looking for a well-developed ground spot, which is a yellow or tan patch on the underside of the watermelon, indicating that it ripened on the ground before being picked.
However, the presence of webbing on a watermelon is also an indicator of ripeness and sweetness. Webbing refers to the brown, coarse, web-like lines on the watermelon, which are believed to be caused by pollination. The more webbing a watermelon has, the sweeter and riper it may be. This is because extensive pollination typically results in a sweeter fruit. So, when choosing a watermelon, look for one with a lot of dark webbing, a yellow spot on the underside, and a dull, hollow sound when knocked.
To identify a ripe watermelon, you can also try lightly scratching its surface with your fingernail. If the watermelon is ripe, your nail will leave a white-green mark. An unripe watermelon will only show an indentation and a darker line. Additionally, a ripe watermelon should feel heavy for its size, indicating a high water content, which is another sign of ripeness.
When selecting a watermelon, it is also important to avoid fruits with cuts, dents, or visible bruises. A ripe watermelon should also smell slightly sweet, like a melon, but not overly so, as this could indicate that it is overripe. While it may be challenging to find the perfect watermelon, using these indicators can help increase your chances of choosing a sweet and juicy one.
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A watermelon that is heavy for its size indicates high water content
A watermelon that is heavy for its size indicates that it has a high water content. This is because watermelons are composed of 92% water. When selecting a watermelon, it is important to consider its weight. Pick it up and compare its weight to another watermelon of the same size. The one that feels heavier will likely be more ripe.
A watermelon that is heavy for its size is also more likely to be ripe and juicy. A dull, hollow sound when tapped indicates a ripe watermelon. An immature watermelon will have a higher-pitched ping sound. A ripe watermelon will also have a creamy yellow spot on its underside, indicating that it ripened in the sun. This spot should be dull in color, and if it is light green or white, it is unripe.
In addition to weight and sound, other factors can help determine the ripeness of a watermelon. One method is to lightly scratch the surface of the watermelon with your fingernail. If the watermelon is ripe, the rind will come away easily, revealing a white-green area underneath. An unripe watermelon will only show an indentation and a darker line when scratched.
The appearance of webbing on the watermelon's surface is another indicator of ripeness. Webbing refers to the brown, coarse lines on the side of the melon that resemble a spider web. While there is no scientific proof, some believe that webbing indicates increased pollination, resulting in a sweeter and riper watermelon.
Selecting a ripe watermelon ensures that you get to enjoy the fruit at its best. A ripe watermelon is not only juicy but also provides various health benefits due to its high water content and nutritional value.
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Frequently asked questions
Rap on the middle of the watermelon with your knuckles while holding it up to your ear. A ripe watermelon will sound hollow when knocked. An unripe watermelon will have a higher-pitched sound, while an overripe one will make a "thud" or a lower-pitched sound.
A ripe watermelon should be heavy for its size, indicating high water content. It should also have a creamy yellow spot on its underside, where it sat on the ground and ripened in the sun.
It's probably about to turn into mush.
You can lightly scratch the watermelon's surface with your fingernail. If the watermelon is ripe, the rind will come away easily, revealing a white-green area underneath. A ripe watermelon should also smell slightly sweet, similar to how it tastes, but not overly sweet, which can indicate over-ripeness.
