I have cut the potato haulms down just leaving stalks above the ground.  I generally do this every year when blight starts to appear on the allotment site.  In my experience it seems to attack the outdoor tomato plants first, which is a good early warning system.  It is also the reason I don’t grow tomatoes on my allotment any more!  This year I have not seen any signs of blight but it is getting so late on now I thought it best to do anyway.

Leaving a few inches of stalk above the ground works well as a potato marker and the potatoes can be left in the ground like this for a while longer.  If you would like to know more about potato blight click here.


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