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The leaves in both my bags of Pentland Javelin are changing to a bright yellow. They were chitted then planted on 3 March. I've never grown potatoes before so don't know what to expect, but instinct tells me something is wrong. Advise appreciated, thanks. Maggie
Could they be waterlogged? Pierce a hole in the side, at the bottom of each bag - if water runs out, the chances are the drainage holes are blocked.