They need soil growing temperatures between 60 to 85 degrees Fahrenheit and an air growing temperature of 65 to 95 degrees. I am glad this is quite simple. The longer you allow a sweet potato to cure, the better the flavor will be. ", "I am a novice. Do this for every slice of potato that you have, with each section in a different jar. Learn tips for creating your most beautiful (and bountiful) garden ever. Sweet potatoes should not be planted outdoors until the temperature of the soil has warmed to 60 degrees Fahrenheit. Snip off about 6 inches from the tips of the vines, before frost. Yes, but make sure to put them in similar soil, or do not replant them if they have been in the ground for a long time, because the roots grown are important. This article has been viewed 240,963 times. Don't water your sweet potatoes during the final three to four weeks prior to harvest in order to keep the mature tubers from splitting. Thank you. Soapy water is useful as a spay to keep sap-sucking insects away from the plant, also DiPel or snail repellent. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/96\/Grow-Sweet-Potatoes-Step-1.jpg\/v4-460px-Grow-Sweet-Potatoes-Step-1.jpg","bigUrl":"\/images\/thumb\/9\/96\/Grow-Sweet-Potatoes-Step-1.jpg\/aid1060823-v4-728px-Grow-Sweet-Potatoes-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"