Home Gardening products and reviews Nematodes to kill slugs

Nematodes to kill slugs

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Harlow Carr
Emerging hostas at RHS Harlow Carr

Protect your hostas the natural way

Do your hostas, like mine, fall victim to slugs every year?

Thanks to our cold winter, they’ve had a much later start but are beginning to show themselves in greater numbers.

More and more people are reluctant to use slug pellets and this is where nematodes come in.

An easy and natural way to make sure that your hostas are protected is by watering on nematodes.

Attacking young slugs

They are able to travel through the soil, to where the newly hatched and young slugs live and attack them before we can see them, unlike slug pellets.

Producers BASF say a regular regime of using Nemaslug every six weeks is the most effective way to keep slugs at bay throughout the growing season.

BASF has the largest specialist production facility in the EU – and the only one in Britain – growing trillions of beneficial nematodes for use in its Nemasys range of pest controls.

As for me, I’m a belt-and-braces sort of gardener – a combination of copper rings, organic pellets, nematodes and beer traps!

Hosta snails
Hosta after a severe attack

Looking after hostas

Hostas thrive in light to medium shade and often have fragrant flowers.

They like fertile, moisture-retentive garden soil with plenty of organic matter, especially where there is not much shade and the earth is dry.

Once fully established, after about five years, they will need little to no looking after, bar some protection from slugs and snails.

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Mandy Watson is a freelance journalist and an incurable plantaholic. MandyCanUDigIt grew from the tiny seed of a Twitter account into the rainforest of information you see before you. Gardening columnist for the Sunderland Echo, Shields Gazette and Hartlepool Mail and editor of the Teesdale Mercury Magazine. Attracted by anything rebellious, exotic and nerdy, even after all these years. Passionate about northern England and gardens everywhere. Falls over a lot.

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