Types of Sweet Potatoes
There are hundreds of types of sweet potatoes ranging from white and mild to deep red and super sweet. Many are grown in small quantities and can be found at local farmers markets. Lucky for you, North Carolina sweet potatoes are available every month of the year. When selecting sweet potatoes, it is important that they are firm to the touch and no signs of decay. For even cooking, choose sweet potatoes that are uniform in shape.
The following are three popular sweet potato varieties found in grocery stores nationwide. Depending on flavor and texture, certain sweet potato varieties lend themselves better for certain recipes.
Covington Sweet Potato
O’Henry Sweet Potato
Japanese Sweet Potato
Many types of sweet potatoes are grown in North Carolina. Although some are grown for special uses, the majority are the orange-fleshed, moist, sweet varieties that are widely accepted in the fresh market and for processing. The list of sweet potato varieties changes rapidly and new varieties with superior qualities are released almost annually. Each variety has certain advantages and disadvantages. For a complete comparison of sweet potato varieties, refer to our variety table.
|Variety (Origin Date)||Foliage||Skin||Flesh||Yield||Disease &Insect Resistance||Flood Damage||Other Weaknesses||Other Strengths|
|Beauregard (LA, 1987)||Green heartshaped leaves, blooms prolific||Rose||Orange||Very good||White grub, soil pox||Resistance, roots may be misshapen||Susceptible to root-knot, nematodes; bacterial soft rot; slow sprouting||Stores well, high % No. 1 roots|
|Hernandez (LA, 1992)||Green arrow-shaped leaves, purple stems, faciation||Burnt Orange||Deep Orange||Good||Root-knot, Soil Pox, Fusarium Wilt||Wet soil may result in raised lenticels or black pimples on skin||Late, sporadic sprouting, black flecks on skin. Slow sprouting, poor taste. Susceptible to blister; boron application may be necessary.||Very uniform shape|
|Jewel (NC, 1970)||Green stems, bushy||Copper||Deep Orange||Very good||Root-knot, Internal Cork||Susceptible||Mutations, Soil Pox, Cracking with variable soil moisture||Storage life, shapes high % No. 1 roots|
|Carolina Ruby (NC 1988)||Green heart shaped leaves with purple veins||Dark Red to Purple Red||Dark Orange||Very good||Fusarium Wilt, moderate soil rot, moderate to flea beetle||Wet soil may result in cracking and blisters on skin||Susceptible to root-knot nematodes, white grub & wireworm||Stores OK Excellent baking quality|
|Porto Rico 198 (NC 1966)||Deep Purple Stems and Veins||Rose-pink||Orange Mottled||Average||None||Moderate resistance||Susceptible to major diseases/cracking||Baking quality|
|Cordner (TX 1983)||Green stems||Copper||Medium Orange||Very good||Root-knot||Susceptible||Susceptible to pox||Earliness, good plant production|
|White Delight (GA)||Green heartshaped leaves||Purplish pink||White||Very good||Fusarium wilt Root-knot||Susceptible||Damp soil can cause high % rot||tastes good stores well|
|Covington NC98-608||Rose Smooth||Orange||Very good||Russet crack, Southern Root Knot, Nematode|