[supervegman]

HI all my kind eds have grow rather well this year despite earthing them up theave grown about 2ft above the raised bed height but are starting to slowing. Any idea if they will be ok and when can i start digging

[mumofstig]

The British Potato Variety Database lists them as a late maincrop, so you should leave them until the leaves have died back before lifting.
If they have started to slow up it may be because of the dry weather.