How to get rid of worms in the garden
Worms can be the bane of a gardener’s life, particularly if you’re beautifully cultivated lettuces attract their attention. Some gardeners think you should leave worms well alone as they’re doing your lawn a power of good, but if you want to know how to get rid of worms, read on.
Autumn and winter
Worms do the most damage to lawns during the autumn and winter when the ground is wet and soft. However their presence suggests that the soil is in a good and healthy condition. Their cast is the main problem. They’re unsightly and horrible underfoot if you step on them. Also, when there is a lot of worm activity your garden could attract moles because they feed on worms.
Discouraging the worms
Prevention is always better than cure, so try to discourage their arrival before finding out how to get rid of worms. They like a neutral to alkaline soil pH so lowering the pH with fertilisers should prevent their arrival. As worms like feeding on grass cuttings, take care to remove them from your garden. Fallen leaves can also be a great source of nourishment for the slimy creatures, so tend your garden and any surrounding paths and patios well.
You can get rid of worms with brushes or a drag mat. Brushing will only work in small areas like garden paths so a drag mat should be used if you’re dealing with a larger space. These tools will get rid of the immediate issue but the worm casts will still be there.
Once you've found out how to get rid of worms in the garden, you'll probably find yourself with the horrible task of extracting them from the ground. Making a mustard solution of 25ml per litre will bring worms to the surface where they will become prey to birds and other predators.