How to Tell when a Watermelon Is Ripe and Ready for Picking

There's no summertime treat that quite matches the fresh sweetness of a watermelon picked from your own garden. While knowing how to grow your own watermelons is its own task, your efforts might go unrewarded if you don't know when to pick them. By knowing what to look for, feel for, and even smell for in a ripe watermelon, you'll be able to easily tell when your melons are ripe and ready.

Method 1

Method 1 of 2:

Watching Your Melons Grow

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1
Let the watermelon grow for 2-4 months. There are a lot of different factors which will determine how long it takes for your melons to ripen, but it should be somewhere between 2 to 4 months. Look at the seed packet for the watermelons you're planting for an approximation of how long it'll take for them to ripen.^{[1]XResearch source}
- Write the date you planted your seeds on the seed packet and store it in a safe place. That way you can always keep track of exactly when your watermelons will be ready.
- The time it takes for your melons to ripen can vary based on the type of watermelon, the climate you're growing them in, and the type of soil, among other things. Don't rely on the expected time frame to tell when your watermelons will be ripe.^{[2]XResearch source}
2
Check the color on the belly of the watermelon. Lift the watermelon up and turn it over, being careful not to pull it off the vine. Look at the “field spot” of the melon, where it has been resting on the ground as it grows. A buttery yellow color is a good indicator that the watermelon is ripe, whereas a white field spot means that it needs more time.^{[3]XResearch source}
- As you turn the watermelon over, look for and remove any insects hiding on its underside.
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3
Examine the tendrils around the melon for browning. While the vines the watermelon grow off of will remain green up until they start to die, some of the tendrils around each melon may start to brown as the melon ripens. Look for this around each melon to help determine which ones are ready to be picked.
- If the whole vine starts to turn brown while there are still watermelons left on it, harvest them immediately. This indicates that the vine is dying, and the watermelons are as ripe as they'll ever be.^{[4]XResearch source}

Method 2

Method 2 of 2:

Testing Your Watermelon

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1
Listen for a hollow sound when the melon is hit. Hold the watermelon up to your ear and knock on it with your knuckles or flick with one finger. A ripe watermelon will give off a lower-pitched and more hollow sound, whereas an unripe one will have a higher pitch to it. This can take some practice but is one of the more reliable ways to check for ripeness.^{[5]XResearch source}
- If you're unsure if your melon is making the right sound, find someone who can demonstrate it for you on a melon they know to be right. Ask around or check online to find out what the perfect melon should sound like.^{[6]XResearch source}
- Use your phone or another device to record the sound of a melon you think is ripe. If it's perfect when you cut into it, you can keep that recording to test the sound of other melons from the same and future crops.
A ripe watermelon should have a little give to it when firmly squeezed. Use two hands to give the watermelon a light squeeze to check its give, being careful not to damage the melon in the process.^{[7]XResearch source}
As watermelons mature, they will shift from having a bright green rind with a slight shine to a duller and more uniform tone over the top. Look for melons without a shine and with very little contrast between its stripes.
4
Check for a slightly sweet smell. While more difficult to detect than most other methods, the smell of a watermelon can help indicate when it is ripe and ready to pick. Get close up to the watermelon and inhale deeply. A ripe melon should have a sweet scent to it, and remind you of the flavor of a perfectly ripe watermelon.^{[8]XResearch source}
- If you're growing a lot of watermelons, this test might become less effective. It's much more difficult to pick out the smell of 1 watermelon from a field of them than it would be testing one on its own.
- While it works on watermelons, the smell test is even more effective with other types of melon.

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Tips

Use a sharp knife to cut the watermelon from the vine, staying as close the fruit as you can.^{[9]XResearch source}
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Once harvested, watermelon can be stored uncut for around 10 days, but they won't ripen any further in this time. Once cut, the slices can be tightly wrapped and kept for 4 days. ^{[10]XResearch source}
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