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Find your pest
Beneficial nematodes control pests that live in the soil or compost. Pick the one you're dealing with to see the signs, the best time to treat and the right nematode for the job.
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Lawns and sports turf
Leatherjackets
Yellow patches and birds pecking at the lawn
Best time to treat Sep to Oct -
Lawns and sports turf
Chafer grubs
Turf that rolls back like a carpet
Best time to treat Jul to Sep -
Pots, containers and beds
Vine weevil
Notched leaves and plants that suddenly collapse
Best time to treat Spring and autumn -
Houseplants and seed trays
Fungus gnats
Tiny black flies around pots
Best time to treat All year indoors -
Veg plots and borders
Cutworms and caterpillars
Young plants cut off at ground level
Best time to treat Jun to Aug -
Carrots, parsnips, celeriac
Carrot fly
Rusty tunnels through the roots
Best time to treat May to Sep -
Lawns, paths and walls
Ants
Soil mounds and ant trails
Best time to treat Apr to Sep
Not sure what you've got? WhatsApp us a photo or email it and we'll help you identify it.
Pest calendar
What to treat, and when
Nematodes work best when the pest is young and feeding near the surface. Here's the whole year at a glance, with this month highlighted.
This month
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Best time to treatPest activeThis month