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I was wondering if anyone knew whether there is any point in using nematodes now, if I am not sure whether vine weevil is present or not?

We had an infestation last Spring and the nematodes wiped out the weevil.

If there are no larvae in ths soil, do the nematodes just die off, because they have nothing to eat, or do they stick around for a while?

Thank you!


  • Alina WAlina W Posts: 1,445

    Nematodes die off if there is nothing for them to eat. They also need warm soil for them to be active, and the soil is getting too cold now.

    So, as already said, Provado is your best bet now.

  • I thought the nematodes ate every weevil in their path?!


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  • nutcutletnutcutlet PeterboroughPosts: 26,160

    Nematodes are little roundworms  not poisonous chemicals

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  • The user and all related content has been deleted.
  • LynLyn DevonPosts: 16,565
    If you have over wintered any plants in pots such as fucshias in particular, just knock them out of the pots, pull the soil away from the roots and you will easily see the grub. Kill them all and repot the plant in fresh soil and treat all your baskets and tubs in late march when you have planted them up.

    I grow about 100 fuchsia cuttings and almost the same in geraniums and didn't get a single grub last year.

    I will definitely be buying them again this spring.
    Gardening on the wild, windy west side of Dartmoor. 

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