Potatoes are Hilled Up for two reasons and Hilling up potatoes is simply adding or layering more soil over the original planting level.
With potato plant growing the first reason for hilling potatoes is to prevent the potatoes from being exposed to light and turning green.
The second reason is the with some potato varieties, hilling up can actually increase yields.
You can use soil or straw, or even mulch to hill up.
We look at how to hill up potatoes, the different hilling techniques between determinate and indeterminate pots varieties.