CalWhite was selected in Idaho from a cross of Pioneer x BC8370-4. CalWhite is medium maturing and produces an exceptionally high yield of oblong, white-skinned tubers. It is suitable for the long-white tablestock market and has potential for use in the frozen processing trade.
Plants are large with an upright growth habit.
The stems are unpigmented with nonconscpicuous wings and slightly swollen nodes. The leaves are large, light green and rugose in appearance. Flowers are medium-sized and moderate in number. Buds are green. Corolla is white and anthers yellow.