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How To Cure Sweet Potatoes After Harvesting

Curing the roots increases the post-harvest life of the sweet potato. To cure roots, hold them at 85 degrees F with 90 to 95 percent relative humidity (RH) for 4 to 7 days. After curing, reduce the storage temperature to 55 to 60 degrees F at 80 to 85 percent RH.

How do you cure freshly dug sweet potatoes?

Cure sweet potatoes by holding them for about 10 days at 80-85°F and high relative humidity (85-90 percent). Commercial producers have temperature and humidity controlled housing to guarantee good results, but for the home grower, they can be cured near a furnace or heat source to provide the necessary warmth.

How do you treat newly harvested potatoes?

Cure newly dug and cleaned potatoes for a week to 10 days in a dark, well-ventilated area with moderate temperatures and high humidity, and they will last longer. After curing, slowly drop the storage temperature to about 40 to 45 degrees for table use.

How do you know when sweet potatoes are cured?

Finally, how will you know that your sweet potatoes have actually cured? In my own experience, the best way to judge is after between 7-10 days when you check them, they should be moist but more firm. If this is the case, then they are ready to be stored for another 6-8 weeks before eating.

Can you eat sweet potatoes straight from the garden?

Wounds on sweet potato roots aren’t good, as they often lead to rotting in storage. You should resist the temptation to dig and immediately eat sweet potatoes, as fresh ones are more starchy than sweet, and don’t bake as well as cured ones. Wait at least three weeks before eating, so the starches can convert to sugars.

Do you wash sweet potatoes before peeling?

You always—always—want to wash the skins before cooking or cutting sweet potatoes. It’s never a bad idea to give them a firm scrubbing with a clean vegetable brush, either. Sweet potatoes do grow in the ground, after all, and you don’t want any of that dirt or grit to end up in your finished dish.

Do sweet potatoes need to cure in the dark?

Once the sweet potatoes are out of the ground, don’t leave them in direct sunlight for more than a few hours. Collect sweet potatoes for curing and storage, but don’t leave them in direct sunlight for more than a few hours.

Do you wash potatoes before curing?

After the potatoes have been dug, brush the soil off. Do not wash potatoes until you’re ready to use them. Washing can easily reduce the storage life and encourage mold. Store potatoes in a cool, dark area after harvesting.

Can you cure potatoes outside?

Curing toughens up a potato’s skin and extends its storage life. Cure the tubers by laying them out on newspaper in a well-ventilated place that’s cool (50 to 60 degrees F.) and dark (so they don’t turn green). After about two weeks, the skins will have toughened up.

Do I need to cure new potatoes?

Before placing the potatoes in storage, the tubers should be cured. If storage temperatures are above 45 degrees Fahrenheit, the potatoes will start to sprout after two or three months. When stored below 40 degrees Fahrenheit, potatoes develop a sugary, sweet taste.

Can you cure sweet potatoes in a greenhouse?

If you have access to a greenhouse, you can easily cure your crops by placing them in an out-of-the-way corner. Simply place your sweet potatoes in a box, cover it with a damp towel, and place it in the warm greenhouse. Instead of a box, you can also use an insulated cooler bag to help create humidity.

What happens if you harvest sweet potatoes too early?

The greatest danger from delayed digging is the risk of cold, wet soil encouraging decay of the roots. Depending on how early you were able to plant, you may find an assortment of “baby baker” or smaller roots, as well as full-size potatoes.

How long can you leave sweet potatoes in the ground?

You can expect sweet potatoes to retain their quality for six to 10 months, but some cultivars may begin sprouting after six months. They will taste better if you give them a minimum of three weeks in storage to allow their starch to convert to sugar before you eat them.

What happens if you leave sweet potatoes in the ground too long?

If potatoes are left in the ground and succumb to infection, they will turn to mush in a couple of days. If its cool enough, growth can be slowed, giving the organism a chance to over-winter inside the tuber. If that potato is able to grow, it can spread the disease.

Do sweet potatoes grow back every year?

Sweet potato vine is easy to maintain and tolerant of different growing conditions, including heat, humidity and shade. It is a tender perennial grown as an annual in most regions.

Can I leave sweet potatoes in the ground over winter?

If you live in a warm climate between USDA plant hardiness zones 9 and 11, sweet potato vine winter care is simple because the plants will be fine in the ground year round.