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When Is Watermelon Ripe?

Picking a ripe watermelon is not the easiest thing to learn, but there are indicators to look for.


Watermelon mature rapidly during hot weather. Most are ripe about 32 days after blooming.


Deciding when to harvest a melon is most difficult early in the season when vines are green and healthy.


Some indicators of a watermelon’s maturity are: tendrils or pigtails on vines change from green to brown, the ground spot on the belly of the melon turns from white to yellow, and the thumping sound changes from a metallic ringing when immature to a soft hollow sound when mature.


Watermelons should be handled carefully to avoid rolling, bumping or dropping and thus prevent internal bruising of the flesh.


Store watermelons at temperatures ranging from 60 to 70 degrees F. Temperatures below 50 degrees or above 90 degrees for extended periods will increase flesh deterioration. Once the melon is cut, it can be refrigerated in wedge form or in small chunks in plastic-covered containers.


Good quality melons are usually firm, symmetrical in shape, fresh, attractive in appearance and of good color. The external rind color may vary from deep solid green to gray, depending on the variety.


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Gardening Tip of the Day

  • Potting healthy plants in dirty containers invites disease pathogens. Scrub used pots inside and outside with a soft brush using a solution of mild dish washing detergent and warm water. Place small plastic pots on the top shelf of the dishwasher for an even more thorough cleaning. Remove the crusty residues from fertilizer salts by wetting them with vinegar and scrubbing with a stiff brush.

    To clean stained and moldy terra-cotta pots simply soak them in a solution of 1 part household bleach to 9 parts water for a few minutes. Air-dry and rinse in clean water.
    To clean pots containing plants, cover the plant with a paper or plastic bag. Spray the bleach solution on outer pot surfaces rather than dipping it. Allow to dry and then rinse. Scrub stubborn spots gently with a vegetable brush while rinsing.