- Joined
- Sep 4, 2011
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I put all our spuds in bags. I don’t bother earthing them up just fill to the top in one go.
Gardeners say all sorts of stuff about earthing up potatoes and I've no idea how much of it is actually true. Quite possibly not very much. I know some say that earthing up increases the harvest because more potatoes develop from new shoots off the buried stem, but I'm not aware of any evidence that's true and I'm sure I've read it's the case that potatoes can't produce new roots from buried stems, so it may not be possible at all.
As far as I can see the only clear reason for earthing up is to create a deeper layer of cover on top of the tubers so that as they enlarge they don't get pushed out of the soil and turn green. Inside a bag with loads of foliage coming out of the top it may well be sufficiently dark that it isn't a problem.
James