Plants are large with a decumbent growth habit. Stems are unpigmented with inconspicuous wings and slightly swollen nodes. Leaves are medium sized, dark green with a bluish cast and have abundant pubescence. Flowers are abundant early in the season. Buds are green, corollas medium-sized and white, anthers large and yellow.
Tubers are long and cylindrical to slightly flattened.
Skin is lightly and uniformly russeted. Eyes medium-shallow with a distinct eyebrow, moderate in number and evenly distributed. Dormancy is medium. Century Russet produces an exceptionally high yield in comparison to other russet type varieties. Tuber specific gravity is slightly lower than Russet Burbank.