Try Consumer Feed & Seed, Lexington.S C 803-3594275 or Roger Winn, Little Mountain, S C 903 9454519. You may be a tad early for them.

Just remembered your post. I saw this on craigslist today. Hopkins, SC is about
10 or 12 miles east of Columbia

Sweet Potato Slips Available - $10 (Hopkins)

Date: 2012-04-22, 10:35AM EDT
Reply to: 5wsps-2965495499@sale.craigslist.org [Errors when replying to ads?]

Sweet potato slips available - bunches of 25: $10 each

5 varieties, all vining types:

Beauregard: Developed at Louisiana State University. Has a copper skin, moderately deep orange flesh, and is consistent in shape. Tolerant to soil pox. Outyields all other sweet potatoes.
Georgia Jet: Remarkable hardiness. Has rose petal skin that truly stands out in the field. Light orange meat. Excellent baker. Matures in 80-90 days with normal rainfall.
White Triumph: White skin and snow-white meat; smooth outside shaped nicely. Cooks very well. 90-120 days maturity.
Centennial: Been around a long time. Orange, smooth skin, yields heavy in a normal year. Good grade of potatoes. Also has tolerance to fusarium wilt and internal cork. Stores well.
Nancy Hall: Grandpa's favorite. An old standby. Has pale flesh, cream/orange inside. Delicious after being cured in storage. Sweet and tasty . White milk flows after slicing open. A real old time favorite. Normal maturity around 110 days.

Planting information:
Sweet potatoes don't need much fertilizer or water; they do very well in a sandy loam soil.
Set the plants 12 to 18 inches apart, preferably on a wide, raised ridge about 8 inches high. Because the vines of spreading varieties need a great deal of space, allow at least 3 to 4 feet between rows.
After early cultivation, sweet potatoes need minimal care to keep down weeds. Irrigate if an extended drought occurs. Do not water during the last 3 to 4 weeks before harvest to protect the developing roots.
Dig the main crop of sweet potatoes around the time of the first frost in the fall. Use a spading fork or stout shovel and be careful not to bruise, cut or otherwise damage the roots.
Ideally, the roots should be allowed to dry on the ground for 2 to 3 hours, then placed in a warm room for curing (85�F and 85 percent humidity (if possible) for 10 to 14 days and then stored in a cool (55�F) location. Sweet potatoes should be handled as little as possible to avoid scuffing and bruising.
Location: Hopkins
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PostingID: 2965495499