Gurney's offers WHOLE seed potatoes that produce up to 20% more than precut pieces and a wide selection including varieties that you won't find in most grocery stores. To enjoy potatoes all season long, pick a selection of varieties that reach their full size at different rates. Early season potatoes typically mature in 60-80 days; main season potatoes are ready in 80-100 days; and late season potatoes take 100-130 days. Baked, boiled, mashed or fried potatoes belong in everyone's pantry! Best results in Zones 3-9.