Each brochure looks at food safety practices in sweet potato production. North Carolina SweetPotato Commission. You can also plant potatoes in mid-summer for a fall harvest. When to harvest sweet potatoes will depend on the cultivar that you purchased. Planting calendars for places in North Carolina. Sweet potatoes are grown mostly in the Coastal Plain region, where well-drained, sandy soil benefits this root vegetable. Sweet potatoes will grow from May through late October. The sweetpotatoes we eat will grow in this field. If your summer is short, pick an early variety like Beauregard or Georgia Jet to ensure you’ll have enough time to harvest and cure your potatoes before frost arrives. Planting Sweet Potatoes. This month Dr. Weimin Ye, nematode assay section chief at the North Carolina Department of Agriculture and Consumer Services (NCDA&CS) issued an alert warning sweetpotato growers about an emergent nematode that could threaten the crop due to the extensive damage it can cause (Figure 1). The best tasting potatoes to grow Categories of potato Weed Technology … Sweet potatoes need 3 to 4 months of warm temperatures in order to produce a worthwhile harvest, so the key is to plant them early enough for them to mature properly, but not early enough for them to get killed by a late spring frost. If the growing season has been good with adequate water and sunshine, harvesting sweet potatoes should begin about 100-110 days after planting depending on the variety. Sprouts will be cut and transplanted from the greenhouse or bedding field to a different field in May or June. Zone 7a – Plant from January through March and again in August for a fall crop. Plant in a 12-inch trench half-filled with rotten leaves. Over 3-4 weeks, slips will grow from the top of the potato, as long as the temperature of the jar never drops below 50 °F (10 °C). Sweet potatoes are THE best potatoes to grow because they're delicious, packed with vitamins and minerals, and are really a step up from the regular, old potatoes. Some farmers start their sprouts in greenhouses, but others grow sprouts by “bedding” small sweet potatoes in March. When the weather is hot, transplant in the cool of the evening to prevent wilting. Seed should be sown in late fall or early spring (Sept. 10 - Oct. 15 or Jan. 15 - Feb. 25) about 1 ⁄ 2 - to 3 ⁄ 4-inch deep with about 8 to 12 seeds per foot of row.This will require 2 to 4 pounds of seed per acre if 2 seed lines per bed are used. Plants; Ordering Information; More. Space sweet potato plants 12 to 18 inches apart in damp, loamy soil with a pH of 5.8 to 6.2. When you choose sweet potatoes for dinner, you help support our North Carolina vegetable farms. They can tolerate droughts and so we have lots of that type of soil here in the Eastern North Carolina. The potatoes require a growing season of 90 to 112 days. Your planting strategy: Cole crops like broccoli, cauliflower, and cabbage can be direct seeded into your garden around February 22, assuming the ground can be worked, but it's better to start them indoors around January 25 and then transplant them into the garden around March 15. However, they are not natural climbers. Sweetpotatoes are ready to dig 90-120 days after sprouts are transplanted. Life Cycle of a Sweet Potato. Each vine can grow to be over ten feet long. You can grow sweet potatoes in a lot of different places. Sweet potato seedlings in containers have a tendency to become root-bound. Sort by Planting Date. These beds are planted in late March, nurtured, and cared for until the sprouts can be clipped for planting in mid to late May. When receiving your slips, it is important to read the packing. Sweet potatoes mature in 90 to 170 days and they're extremely frost sensitive. If you wish to grow sweetpotatoes and have further questions, please contact your local Cooperative Extension Office! 100% satisfaction guaranteed. To create the perfect environment, create long, wide, 10-inch-high ridges spaced 3½ feet apart. This is not a "plant and forget" crop, but one that requires expertise. Each product can be purchased in USDA grades #1, #2 and Jumbos. Submerge the bottom of the potato in the water. Make sure your garden plot has plenty of room for the vines. Work in plenty of compost, avoiding nitrogen-rich fertilizers that produce lush vines and stunted tubes. Rooting your own sweet potatoes will take up to a month, so be patient! 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