For the full winter but are kept in a warm climate so they are ready for spring and summer
you can tell from the coler of the shell
2;3 weeks
12 years
eight hours
~4 months
1. Thump it. If the watermelon sounds hollow, it's ripe. This is difficult for less-gifted ears. 2. Look at the color on the top. The watermelon is ripe when there is little contrast between the stripes. 3. Look at the color on the bottom. A green watermelon will have a white bottom; a ripe melon will have a cream- or yellow-colored bottom. 4. Press on it. If the watermelon sounds like it gives a little, it's ripe. (Rhodes doesn't like this method because it can ruin the quality of the fruit.) 5. Check the tendril. If it's half-dead, it could mean that the watermelon is nearly ripe or ripe. If the tendril is fully dead, it could mean that anthracnose or some other fungus killed the melon, or that it's ripe or overripe. If the tendril is green, you should wait to pick the melon. 6. Count the number of days from anthesis (flowering) or the number of days from planting. This works pretty well if you know the variety of watermelon and how many days it's supposed to take for that variety to ripen under normal temperature and fertilizer regimes. 7. Check the size. It's not necessarily true that when a watermelon is big enough, it's ready; but under good conditions, it should be normal size. If it's not, you're probably too anxious. 8. Crack a few. You've got a whole field of watermelons, and you can practice a little, right? 9. Is the vine dead or dying? Well, the watermelon is not going to get any riper, so you might as well pick it. www.watermelonfacts.com
1 year
two to three days
A ripe pear could take as little as 3-5 days to decompose. A pear that is not fully ripe may take more then a week to rot.
It takes about 120 days until a watermelon is ready to harvest. Depending on where you are located, though, this may take a different amount of time. The smaller varieties may have a higher maturity rate, with some going from seedling to fruit-bearing in only 90 days.
2 days
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