user: How do I know when a watermelon is good to eat?

assistant: There are quite a few ways to determine if a watermelon has reached peak ripeness, which would mean it is in perfect condition to eat.

1. Do a thump test. A ripe watermelon should have a deep hollow sound when you thump the rind with your hand, similar to a knock on the door. An unripe melon will have a more high-pitched resonance, whereas an overripe melon will sound more like a thud.

2. Check the field spot. A field spot (or ground spot) is the underside of the melon that rests on the field as it grows. A yellow spot is a good sign that the watermelon was left to ripen on the vine long enough. A ripe melon will have a buttery or creamy yellow field spot along its belly, and a less ripe melon will typically have a white field spot.

3. Feel its weight. When comparing two watermelons of the same size, the heavier one is more likely to be ripe. An unripe watermelon will feel lighter and less sturdy than a ripened, juicy watermelon. However, a melon that feels too heavy can also indicate overripeness.

4. Smell the melon. You will be able to smell the sweet watermelon aroma through the rind of a ripe watermelon. A watermelon is likely underripe if you can’t smell anything through the rind. However, if the smell is too strong it might be overripe.

5. Check the tendril. Watermelon has a curly tendril where the fruit was connected to the vine during the growing process. If the watermelon is ripe, the curly tendril should be almost completely dried out. If the curly tendril is green, the watermelon was picked too early and is not ripe. This method may not work at the grocery store but can help when growing watermelon in your own garden or choosing one at a local farmer’s market.

6. Squeeze the flesh. The best watermelon is juicy yet firm with just a little bit of give in the rind. If the outer rind is soft, it may indicate an overripe or malnourished fruit. You can also try pressing the blossom end of a watermelon. An unripe watermelon will have a completely solid blossom end, while an overripe melon will be mushy and mealy.

user: Are there any other ways to determine it's ripeness?

assistant: Yes, here are a few additional ways to determine if a watermelon is ripe:

7. Check the sugar content. You can use a refractometer to measure the sugar content of the watermelon. A ripe watermelon should have a Brix reading of 10-12%.

8. Check for dull skin. If the skin of a watermelon is shiny and smooth, it is likely unripe. As watermelons ripen, their skin will become dull, and you will start to see small white bumps on the skin, which are sugar crystals.

9. Tap on it. Tap the watermelon with your knuckles. If it sounds hollow, it’s ripe. If it sounds dull or muffled, it’s overripe. If it doesn’t make any sound, it’s underripe.

10. Look for a uniform shape. A watermelon that is uneven in shape or has irregular bumps or cracks on the surface is likely underripe or overripe. A uniform shape is a good indicator of a ripe watermelon.

These are just a few additional methods you can use to determine the ripeness of a watermelon. By combining several of these methods, you can have a high degree of confidence in your watermelon selection.