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To buy a good watermelon, you want to look for a few key signs that tell you it’s ripe, juicy, and sweet inside.
When you know how to buy a good watermelon, you can avoid the disappointment of cutting into a bland, mealy, or underripe fruit.
The good news is that picking a good watermelon isn’t complicated once you know what to look for.
In this post, we’ll walk through exactly how to buy a good watermelon by checking the field spot, the sound, the weight, and a few other reliable clues.
Let’s dive in.
How to Buy a Good Watermelon: The Signs That Matter
When you want to buy a good watermelon, you should focus on a handful of visual and tactile clues.
These signs tell you whether the watermelon ripened fully on the vine and whether it’s worth bringing home.
Here are the main things to check.
1. Look for the Field Spot
The field spot is the creamy yellow or orange patch on the underside of the watermelon where it rested on the ground.
If you’re wondering how to buy a good watermelon, this is probably the single most reliable indicator.
A good watermelon will have a field spot that’s a warm, golden yellow, not white or pale green.
If the spot is white, the watermelon was picked too early and won’t be sweet.
If the spot is deep yellow or orange, that watermelon sat on the vine longer and had time to develop sugar.
So when you buy a watermelon, always flip it over and check that spot first.
2. Check the Webbing and Stripe Pattern
Another way to buy a good watermelon is to look at the webbing and the rind’s stripe pattern.
Webbing looks like brown, scar-like lines on the surface, and more webbing usually means more pollination and a sweeter watermelon.
You also want to buy a watermelon with dark, clearly defined stripes against a lighter green background.
A shiny rind often means the watermelon is underripe, while a duller rind suggests it’s ready to buy.
So when you buy a good watermelon, look for that dull sheen and bold contrast in the stripes.
3. Give It a Thump and Listen
The sound test is a classic trick for how to buy a good watermelon.
Knock on the watermelon with your knuckles and listen carefully.
A ripe watermelon will give you a deep, hollow thud that almost vibrates through your hand.
A dull, flat sound usually means the watermelon is underripe or overripe.
A high, tinny ping means it’s definitely not ready to buy.
So when you thump a watermelon to buy, you want that low, resonant sound.
4. Pick It Up and Feel the Weight
Weight is another key factor when you want to buy a good watermelon.
A ripe watermelon is about 92% water, so it should feel heavy for its size.
If you pick up two watermelons that look the same size and one feels noticeably heavier, buy that one.
Heavier means more water, which usually means juicier flesh.
So when you buy a watermelon, let your arms do some of the deciding.
Common Mistakes to Avoid When You Buy a Watermelon
Even when you know how to buy a good watermelon, a few common mistakes can still trip you up.
Avoiding these will help you pick a winner every time.
1. Don’t Buy a Watermelon With a White Field Spot
A white or pale green field spot is the clearest sign that the watermelon was harvested too early.
No amount of waiting on your counter will fix that.
So when you buy a watermelon, walk away from any with a white spot.
2. Don’t Rely on Size Alone
Bigger doesn’t always mean better when you buy a watermelon.
A giant watermelon with a dull sound and a white spot will still taste bland.
Focus on the field spot, the sound, and the weight instead.
3. Don’t Skip the Stem Check
The stem tells you a lot about how to buy a good watermelon.
A green stem means the watermelon was picked recently, but a dry, brown, or slightly curled stem means it ripened on the vine.
So when you buy a watermelon, a dried stem is actually a good sign.
How to Store Your Watermelon After You Buy It
Once you buy a good watermelon, storing it properly keeps it sweet and crisp.
A whole watermelon can sit at room temperature for a few days, but once you cut it, refrigerate it right away.
Wrap the cut pieces tightly and eat them within three to four days for the best flavor.
If you buy a watermelon that isn’t quite ripe, leaving it on the counter for a day or two can help a little.
So, How Do You Buy a Good Watermelon?
You buy a good watermelon by checking the field spot, listening for a hollow thud, and picking the heaviest one for its size.
Look for bold stripes, a dull rind, and a dry stem too.
Avoid watermelons with white field spots or a flat, dull sound.
When you know how to buy a good watermelon, you’ll bring home a sweet, juicy fruit almost every single time, so the next time you’re at the store or market, put these tips to work and enjoy the best watermelon of the season.