Atlantic is a determinate variety, is mid-season in maturity and has a medium to large vine. Due to its high yield and high specific gravity, measures dry matter content mostly starch, it is the major chip potato variety in North America.

Very high yielding variety with few tubers per plant. Spacing between plants should be very close to avoid oversize tubers. Performs well in hot climates; may form heat sprouts under high soil temperatures.

Chieftain is a high yielding variety, attractive appearance, widely adapted. Undersizing can be a problem if soil moisture becomes limiting. Well suited for washing at maturity. Good storability. Medium specific gravity.