Definition of haulm in US English:



  • 1A stalk or stem.

    • ‘Blighted potato haulms can be cut off and burnt, or placed in the rubbish.’
    • ‘As the haulms grew they were top dressed with the same compost as before and supported by canes and string.’
    • ‘In reality organic potato producers frequently have to remove potato haulms early because of foliage blight.’
    • ‘I saw a neat vegetable patch the other day, with the onion haulms all pushed over, straightened and laid in the same direction to allow the sun to get at the tops.’
    • ‘Blight is a terribly cruel fungal attack which leaves the potato haulms in shreds just as though a herd of locusts had ravaged the whole crop and, yes, it can literally happen that fast.’
    stem, shoot, trunk, stock, cane, bine, bent, straw, reed
    View synonyms
    1. 1.1 The stalks or stems collectively of peas, beans, or potatoes without the pods or tubers, as used for bedding.
      ‘potato haulm’
      • ‘Before harvesting haulm is pulled, cut or killed using chemicals. In general haulm destruction takes place 10-15 days before harvest.’
      • ‘Straw or haulm from treated crops must not be used as animal feed (or bedding) for at least 4 days after last application.’
      • ‘Sulphuric acid is widely used to wither the leafy foliage, or haulm, on potatoes before harvesting.’


Old English healm, halm, of Germanic origin; related to Dutch halm and German Halm, from an Indo-European root shared by Latin culmus ‘stalk’ and Greek kalamos ‘reed’.