"Potatoes need a cool growing season, with temperatures averaging 16 degrees to 18 degrees C (61 degrees to 64 degrees F). Small, eyed tubers (or cut portions of larger tubers) are planted 10 to 15 cm (4 to 6 in) deep in well-drained, loamy soil. When the plant tops emerge, additional soil is used to protect the tubers from insects and accidental exposure to the sun. (Sunlight causes a potato to turn green and to produce a poison, solanin.) Potatoes then mature in 100 to 130 days. The tubers can be stored for up to 8 months at temperatures slightly above freezing, but at temperatures below 5 degrees C (41 degrees F), some of the potato starch turns to sugar. Chemicals applied to stored tubers or growing plants can delay sprouting, because sprouting greatly reduces the food value of potatoes."

Thanks for getting me to look it up. It made me learn something too!

Gunnar